/* * Copyright (C) 2006 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.server; import com.android.internal.app.ResolverActivity; import com.android.internal.util.FastXmlSerializer; import com.android.internal.util.XmlUtils; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import org.xmlpull.v1.XmlSerializer; import android.app.ActivityManagerNative; import android.app.IActivityManager; import android.app.PendingIntent; import android.app.PendingIntent.CanceledException; import android.content.ComponentName; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.ActivityInfo; import android.content.pm.ApplicationInfo; import android.content.pm.ComponentInfo; import android.content.pm.IPackageDataObserver; import android.content.pm.IPackageDeleteObserver; import android.content.pm.IPackageInstallObserver; import android.content.pm.IPackageManager; import android.content.pm.IPackageStatsObserver; import android.content.pm.InstrumentationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.PackageStats; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; import static android.content.pm.PackageManager.PKG_INSTALL_COMPLETE; import static android.content.pm.PackageManager.PKG_INSTALL_INCOMPLETE; import android.content.pm.PackageParser; import android.content.pm.PermissionInfo; import android.content.pm.PermissionGroupInfo; import android.content.pm.ProviderInfo; import android.content.pm.ResolveInfo; import android.content.pm.ServiceInfo; import android.content.pm.Signature; import android.net.Uri; import android.os.Binder; import android.os.Bundle; import android.os.HandlerThread; import android.os.Parcel; import android.os.RemoteException; import android.os.Environment; import android.os.FileObserver; import android.os.FileUtils; import android.os.Handler; import android.os.ParcelFileDescriptor; import android.os.Process; import android.os.ServiceManager; import android.os.SystemClock; import android.os.SystemProperties; import android.util.*; import android.view.Display; import android.view.WindowManager; import java.io.File; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.FileReader; import java.io.FilenameFilter; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.Comparator; import java.util.Enumeration; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.zip.ZipEntry; import java.util.zip.ZipFile; import java.util.zip.ZipOutputStream; class PackageManagerService extends IPackageManager.Stub { private static final String TAG = "PackageManager"; private static final boolean DEBUG_SETTINGS = false; private static final boolean DEBUG_PREFERRED = false; private static final boolean MULTIPLE_APPLICATION_UIDS = true; private static final int RADIO_UID = Process.PHONE_UID; private static final int FIRST_APPLICATION_UID = Process.FIRST_APPLICATION_UID; private static final int MAX_APPLICATION_UIDS = 1000; private static final boolean SHOW_INFO = false; private static final boolean GET_CERTIFICATES = true; private static final int REMOVE_EVENTS = FileObserver.CLOSE_WRITE | FileObserver.DELETE | FileObserver.MOVED_FROM; private static final int ADD_EVENTS = FileObserver.CLOSE_WRITE /*| FileObserver.CREATE*/ | FileObserver.MOVED_TO; private static final int OBSERVER_EVENTS = REMOVE_EVENTS | ADD_EVENTS; static final int SCAN_MONITOR = 1<<0; static final int SCAN_NO_DEX = 1<<1; static final int SCAN_FORCE_DEX = 1<<2; static final int SCAN_UPDATE_SIGNATURE = 1<<3; static final int SCAN_FORWARD_LOCKED = 1<<4; static final int SCAN_NEW_INSTALL = 1<<5; static final int LOG_BOOT_PROGRESS_PMS_START = 3060; static final int LOG_BOOT_PROGRESS_PMS_SYSTEM_SCAN_START = 3070; static final int LOG_BOOT_PROGRESS_PMS_DATA_SCAN_START = 3080; static final int LOG_BOOT_PROGRESS_PMS_SCAN_END = 3090; static final int LOG_BOOT_PROGRESS_PMS_READY = 3100; final HandlerThread mHandlerThread = new HandlerThread("PackageManager", Process.THREAD_PRIORITY_BACKGROUND); final Handler mHandler; final int mSdkVersion = SystemProperties.getInt( "ro.build.version.sdk", 0); final Context mContext; final boolean mFactoryTest; final DisplayMetrics mMetrics; final int mDefParseFlags; final String[] mSeparateProcesses; // This is where all application persistent data goes. final File mAppDataDir; // This is the object monitoring the framework dir. final FileObserver mFrameworkInstallObserver; // This is the object monitoring the system app dir. final FileObserver mSystemInstallObserver; // This is the object monitoring mAppInstallDir. final FileObserver mAppInstallObserver; // This is the object monitoring mDrmAppPrivateInstallDir. final FileObserver mDrmAppInstallObserver; // Used for priviledge escalation. MUST NOT BE CALLED WITH mPackages // LOCK HELD. Can be called with mInstallLock held. final Installer mInstaller; final File mFrameworkDir; final File mSystemAppDir; final File mAppInstallDir; // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked // apps. final File mDrmAppPrivateInstallDir; // ---------------------------------------------------------------- // Lock for state used when installing and doing other long running // operations. Methods that must be called with this lock held have // the prefix "LI". final Object mInstallLock = new Object(); // These are the directories in the 3rd party applications installed dir // that we have currently loaded packages from. Keys are the application's // installed zip file (absolute codePath), and values are Package. final HashMap<String, PackageParser.Package> mAppDirs = new HashMap<String, PackageParser.Package>(); // Information for the parser to write more useful error messages. File mScanningPath; int mLastScanError; final int[] mOutPermissions = new int[3]; // ---------------------------------------------------------------- // Keys are String (package name), values are Package. This also serves // as the lock for the global state. Methods that must be called with // this lock held have the prefix "LP". final HashMap<String, PackageParser.Package> mPackages = new HashMap<String, PackageParser.Package>(); final Settings mSettings; boolean mRestoredSettings; boolean mReportedUidError; // Group-ids that are given to all packages as read from etc/permissions/*.xml. int[] mGlobalGids; // These are the built-in uid -> permission mappings that were read from the // etc/permissions.xml file. final SparseArray<HashSet<String>> mSystemPermissions = new SparseArray<HashSet<String>>(); // These are the built-in shared libraries that were read from the // etc/permissions.xml file. final HashMap<String, String> mSharedLibraries = new HashMap<String, String>(); // All available activities, for your resolving pleasure. final ActivityIntentResolver mActivities = new ActivityIntentResolver(); // All available receivers, for your resolving pleasure. final ActivityIntentResolver mReceivers = new ActivityIntentResolver(); // All available services, for your resolving pleasure. final ServiceIntentResolver mServices = new ServiceIntentResolver(); // Keys are String (provider class name), values are Provider. final HashMap<ComponentName, PackageParser.Provider> mProvidersByComponent = new HashMap<ComponentName, PackageParser.Provider>(); // Mapping from provider base names (first directory in content URI codePath) // to the provider information. final HashMap<String, PackageParser.Provider> mProviders = new HashMap<String, PackageParser.Provider>(); // Mapping from instrumentation class names to info about them. final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = new HashMap<ComponentName, PackageParser.Instrumentation>(); // Mapping from permission names to info about them. final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = new HashMap<String, PackageParser.PermissionGroup>(); boolean mSystemReady; boolean mSafeMode; boolean mHasSystemUidErrors; ApplicationInfo mAndroidApplication; final ActivityInfo mResolveActivity = new ActivityInfo(); final ResolveInfo mResolveInfo = new ResolveInfo(); ComponentName mResolveComponentName; PackageParser.Package mPlatformPackage; public static final IPackageManager main(Context context, boolean factoryTest) { PackageManagerService m = new PackageManagerService(context, factoryTest); ServiceManager.addService("package", m); return m; } static String[] splitString(String str, char sep) { int count = 1; int i = 0; while ((i=str.indexOf(sep, i)) >= 0) { count++; i++; } String[] res = new String[count]; i=0; count = 0; int lastI=0; while ((i=str.indexOf(sep, i)) >= 0) { res[count] = str.substring(lastI, i); count++; i++; lastI = i; } res[count] = str.substring(lastI, str.length()); return res; } public PackageManagerService(Context context, boolean factoryTest) { EventLog.writeEvent(LOG_BOOT_PROGRESS_PMS_START, SystemClock.uptimeMillis()); if (mSdkVersion <= 0) { Log.w(TAG, "**** ro.build.version.sdk not set!"); } mContext = context; mFactoryTest = factoryTest; mMetrics = new DisplayMetrics(); mSettings = new Settings(); mSettings.addSharedUserLP("android.uid.system", Process.SYSTEM_UID, ApplicationInfo.FLAG_SYSTEM); mSettings.addSharedUserLP("android.uid.phone", MULTIPLE_APPLICATION_UIDS ? RADIO_UID : FIRST_APPLICATION_UID, ApplicationInfo.FLAG_SYSTEM); String separateProcesses = SystemProperties.get("debug.separate_processes"); if (separateProcesses != null && separateProcesses.length() > 0) { if ("*".equals(separateProcesses)) { mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; mSeparateProcesses = null; Log.w(TAG, "Running with debug.separate_processes: * (ALL)"); } else { mDefParseFlags = 0; mSeparateProcesses = separateProcesses.split(","); Log.w(TAG, "Running with debug.separate_processes: " + separateProcesses); } } else { mDefParseFlags = 0; mSeparateProcesses = null; } Installer installer = new Installer(); // Little hacky thing to check if installd is here, to determine // whether we are running on the simulator and thus need to take // care of building the /data file structure ourself. // (apparently the sim now has a working installer) if (installer.ping() && Process.supportsProcesses()) { mInstaller = installer; } else { mInstaller = null; } WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); Display d = wm.getDefaultDisplay(); d.getMetrics(mMetrics); synchronized (mInstallLock) { synchronized (mPackages) { mHandlerThread.start(); mHandler = new Handler(mHandlerThread.getLooper()); File dataDir = Environment.getDataDirectory(); mAppDataDir = new File(dataDir, "data"); mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); if (mInstaller == null) { // Make sure these dirs exist, when we are running in // the simulator. // Make a wide-open directory for random misc stuff. File miscDir = new File(dataDir, "misc"); miscDir.mkdirs(); mAppDataDir.mkdirs(); mDrmAppPrivateInstallDir.mkdirs(); } readPermissions(); mRestoredSettings = mSettings.readLP(); long startTime = SystemClock.uptimeMillis(); EventLog.writeEvent(LOG_BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, startTime); int scanMode = SCAN_MONITOR; final HashSet<String> libFiles = new HashSet<String>(); mFrameworkDir = new File(Environment.getRootDirectory(), "framework"); if (mInstaller != null) { /** * Out of paranoia, ensure that everything in the boot class * path has been dexed. */ String bootClassPath = System.getProperty("java.boot.class.path"); if (bootClassPath != null) { String[] paths = splitString(bootClassPath, ':'); for (int i=0; i<paths.length; i++) { try { if (dalvik.system.DexFile.isDexOptNeeded(paths[i])) { libFiles.add(paths[i]); mInstaller.dexopt(paths[i], Process.SYSTEM_UID, true); } } catch (FileNotFoundException e) { Log.w(TAG, "Boot class path not found: " + paths[i]); } catch (IOException e) { Log.w(TAG, "Exception reading boot class path: " + paths[i], e); } } } else { Log.w(TAG, "No BOOTCLASSPATH found!"); } /** * Also ensure all external libraries have had dexopt run on them. */ if (mSharedLibraries.size() > 0) { Iterator<String> libs = mSharedLibraries.values().iterator(); while (libs.hasNext()) { String lib = libs.next(); try { if (dalvik.system.DexFile.isDexOptNeeded(lib)) { libFiles.add(lib); mInstaller.dexopt(lib, Process.SYSTEM_UID, true); } } catch (FileNotFoundException e) { Log.w(TAG, "Library not found: " + lib); } catch (IOException e) { Log.w(TAG, "Exception reading library: " + lib, e); } } } // Gross hack for now: we know this file doesn't contain any // code, so don't dexopt it to avoid the resulting log spew. libFiles.add(mFrameworkDir.getPath() + "/framework-res.apk"); /** * And there are a number of commands implemented in Java, which * we currently need to do the dexopt on so that they can be * run from a non-root shell. */ String[] frameworkFiles = mFrameworkDir.list(); if (frameworkFiles != null && mInstaller != null) { for (int i=0; i<frameworkFiles.length; i++) { File libPath = new File(mFrameworkDir, frameworkFiles[i]); String path = libPath.getPath(); // Skip the file if we alrady did it. if (libFiles.contains(path)) { continue; } // Skip the file if it is not a type we want to dexopt. if (!path.endsWith(".apk") && !path.endsWith(".jar")) { continue; } try { if (dalvik.system.DexFile.isDexOptNeeded(path)) { mInstaller.dexopt(path, Process.SYSTEM_UID, true); } } catch (FileNotFoundException e) { Log.w(TAG, "Jar not found: " + path); } catch (IOException e) { Log.w(TAG, "Exception reading jar: " + path, e); } } } } mFrameworkInstallObserver = new AppDirObserver( mFrameworkDir.getPath(), OBSERVER_EVENTS, true); mFrameworkInstallObserver.startWatching(); scanDirLI(mFrameworkDir, PackageParser.PARSE_IS_SYSTEM, scanMode | SCAN_NO_DEX); mSystemAppDir = new File(Environment.getRootDirectory(), "app"); mSystemInstallObserver = new AppDirObserver( mSystemAppDir.getPath(), OBSERVER_EVENTS, true); mSystemInstallObserver.startWatching(); scanDirLI(mSystemAppDir, PackageParser.PARSE_IS_SYSTEM, scanMode); mAppInstallDir = new File(dataDir, "app"); if (mInstaller == null) { // Make sure these dirs exist, when we are running in // the simulator. mAppInstallDir.mkdirs(); // scanDirLI() assumes this dir exists } //look for any incomplete package installations ArrayList<String> deletePkgsList = mSettings.getListOfIncompleteInstallPackages(); //clean up list for(int i = 0; i < deletePkgsList.size(); i++) { //clean up here cleanupInstallFailedPackage(deletePkgsList.get(i)); } //delete tmp files deleteTempPackageFiles(); EventLog.writeEvent(LOG_BOOT_PROGRESS_PMS_DATA_SCAN_START, SystemClock.uptimeMillis()); mAppInstallObserver = new AppDirObserver( mAppInstallDir.getPath(), OBSERVER_EVENTS, false); mAppInstallObserver.startWatching(); scanDirLI(mAppInstallDir, 0, scanMode); mDrmAppInstallObserver = new AppDirObserver( mDrmAppPrivateInstallDir.getPath(), OBSERVER_EVENTS, false); mDrmAppInstallObserver.startWatching(); scanDirLI(mDrmAppPrivateInstallDir, 0, scanMode); EventLog.writeEvent(LOG_BOOT_PROGRESS_PMS_SCAN_END, SystemClock.uptimeMillis()); Log.i(TAG, "Time to scan packages: " + ((SystemClock.uptimeMillis()-startTime)/1000f) + " seconds"); updatePermissionsLP(); mSettings.writeLP(); EventLog.writeEvent(LOG_BOOT_PROGRESS_PMS_READY, SystemClock.uptimeMillis()); // Now after opening every single application zip, make sure they // are all flushed. Not really needed, but keeps things nice and // tidy. Runtime.getRuntime().gc(); } // synchronized (mPackages) } // synchronized (mInstallLock) } @Override public boolean onTransact(int code, Parcel data, Parcel reply, int flags) throws RemoteException { try { return super.onTransact(code, data, reply, flags); } catch (RuntimeException e) { if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { Log.e(TAG, "Package Manager Crash", e); } throw e; } } void cleanupInstallFailedPackage(String packageName) { if (mInstaller != null) { int retCode = mInstaller.remove(packageName); if (retCode < 0) { Log.w(TAG, "Couldn't remove app data directory for package: " + packageName + ", retcode=" + retCode); } } else { //for emulator PackageParser.Package pkg = mPackages.get(packageName); File dataDir = new File(pkg.applicationInfo.dataDir); dataDir.delete(); } mSettings.removePackageLP(packageName); } void readPermissions() { // Read permissions from .../etc/permission directory. File libraryDir = new File(Environment.getRootDirectory(), "etc/permissions"); if (!libraryDir.exists() || !libraryDir.isDirectory()) { Log.w(TAG, "No directory " + libraryDir + ", skipping"); return; } if (!libraryDir.canRead()) { Log.w(TAG, "Directory " + libraryDir + " cannot be read"); return; } // Iterate over the files in the directory and scan .xml files for (File f : libraryDir.listFiles()) { // We'll read platform.xml last if (f.getPath().endsWith("etc/permissions/platform.xml")) { continue; } if (!f.getPath().endsWith(".xml")) { Log.i(TAG, "Non-xml file " + f + " in " + libraryDir + " directory, ignoring"); continue; } if (!f.canRead()) { Log.w(TAG, "Permissions library file " + f + " cannot be read"); continue; } readPermissionsFromXml(f); } // Read permissions from .../etc/permissions/platform.xml last so it will take precedence final File permFile = new File(Environment.getRootDirectory(), "etc/permissions/platform.xml"); readPermissionsFromXml(permFile); } private void readPermissionsFromXml(File permFile) { FileReader permReader = null; try { permReader = new FileReader(permFile); } catch (FileNotFoundException e) { Log.w(TAG, "Couldn't find or open permissions file " + permFile); return; } try { XmlPullParser parser = Xml.newPullParser(); parser.setInput(permReader); XmlUtils.beginDocument(parser, "permissions"); while (true) { XmlUtils.nextElement(parser); if (parser.getEventType() == XmlPullParser.END_DOCUMENT) { break; } String name = parser.getName(); if ("group".equals(name)) { String gidStr = parser.getAttributeValue(null, "gid"); if (gidStr != null) { int gid = Integer.parseInt(gidStr); mGlobalGids = appendInt(mGlobalGids, gid); } else { Log.w(TAG, "<group> without gid at " + parser.getPositionDescription()); } XmlUtils.skipCurrentTag(parser); continue; } else if ("permission".equals(name)) { String perm = parser.getAttributeValue(null, "name"); if (perm == null) { Log.w(TAG, "<permission> without name at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } perm = perm.intern(); readPermission(parser, perm); } else if ("assign-permission".equals(name)) { String perm = parser.getAttributeValue(null, "name"); if (perm == null) { Log.w(TAG, "<assign-permission> without name at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } String uidStr = parser.getAttributeValue(null, "uid"); if (uidStr == null) { Log.w(TAG, "<assign-permission> without uid at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } int uid = Process.getUidForName(uidStr); if (uid < 0) { Log.w(TAG, "<assign-permission> with unknown uid \"" + uidStr + "\" at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); continue; } perm = perm.intern(); HashSet<String> perms = mSystemPermissions.get(uid); if (perms == null) { perms = new HashSet<String>(); mSystemPermissions.put(uid, perms); } perms.add(perm); XmlUtils.skipCurrentTag(parser); } else if ("library".equals(name)) { String lname = parser.getAttributeValue(null, "name"); String lfile = parser.getAttributeValue(null, "file"); if (lname == null) { Log.w(TAG, "<library> without name at " + parser.getPositionDescription()); } else if (lfile == null) { Log.w(TAG, "<library> without file at " + parser.getPositionDescription()); } else { Log.i(TAG, "Got library " + lname + " in " + lfile); this.mSharedLibraries.put(lname, lfile); } XmlUtils.skipCurrentTag(parser); continue; } else { XmlUtils.skipCurrentTag(parser); continue; } } } catch (XmlPullParserException e) { Log.w(TAG, "Got execption parsing permissions.", e); } catch (IOException e) { Log.w(TAG, "Got execption parsing permissions.", e); } } void readPermission(XmlPullParser parser, String name) throws IOException, XmlPullParserException { name = name.intern(); BasePermission bp = mSettings.mPermissions.get(name); if (bp == null) { bp = new BasePermission(name, null, BasePermission.TYPE_BUILTIN); mSettings.mPermissions.put(name, bp); } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if ("group".equals(tagName)) { String gidStr = parser.getAttributeValue(null, "gid"); if (gidStr != null) { int gid = Process.getGidForName(gidStr); bp.gids = appendInt(bp.gids, gid); } else { Log.w(TAG, "<group> without gid at " + parser.getPositionDescription()); } } XmlUtils.skipCurrentTag(parser); } } static int[] appendInt(int[] cur, int val) { if (cur == null) { return new int[] { val }; } final int N = cur.length; for (int i=0; i<N; i++) { if (cur[i] == val) { return cur; } } int[] ret = new int[N+1]; System.arraycopy(cur, 0, ret, 0, N); ret[N] = val; return ret; } static int[] appendInts(int[] cur, int[] add) { if (add == null) return cur; if (cur == null) return add; final int N = add.length; for (int i=0; i<N; i++) { cur = appendInt(cur, add[i]); } return cur; } PackageInfo generatePackageInfo(PackageParser.Package p, int flags) { final PackageSetting ps = (PackageSetting)p.mExtras; if (ps == null) { return null; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; return PackageParser.generatePackageInfo(p, gp.gids, flags); } public PackageInfo getPackageInfo(String packageName, int flags) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (Config.LOGV) Log.v( TAG, "getApplicationInfo " + packageName + ": " + p); if (p != null) { return generatePackageInfo(p, flags); } if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { return generatePackageInfoFromSettingsLP(packageName, flags); } } return null; } public int getPackageUid(String packageName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if(p != null) { return p.applicationInfo.uid; } PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { return -1; } p = ps.pkg; return p != null ? p.applicationInfo.uid : -1; } } public int[] getPackageGids(String packageName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (Config.LOGV) Log.v( TAG, "getApplicationInfo " + packageName + ": " + p); if (p != null) { final PackageSetting ps = (PackageSetting)p.mExtras; final SharedUserSetting suid = ps.sharedUser; return suid != null ? suid.gids : ps.gids; } } // stupid thing to indicate an error. return new int[0]; } public PermissionInfo getPermissionInfo(String name, int flags) { synchronized (mPackages) { final BasePermission p = mSettings.mPermissions.get(name); if (p != null && p.perm != null) { return PackageParser.generatePermissionInfo(p.perm, flags); } return null; } } public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { synchronized (mPackages) { ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); for (BasePermission p : mSettings.mPermissions.values()) { if (group == null) { if (p.perm.info.group == null) { out.add(PackageParser.generatePermissionInfo(p.perm, flags)); } } else { if (group.equals(p.perm.info.group)) { out.add(PackageParser.generatePermissionInfo(p.perm, flags)); } } } if (out.size() > 0) { return out; } return mPermissionGroups.containsKey(group) ? out : null; } } public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { synchronized (mPackages) { return PackageParser.generatePermissionGroupInfo( mPermissionGroups.get(name), flags); } } public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { synchronized (mPackages) { final int N = mPermissionGroups.size(); ArrayList<PermissionGroupInfo> out = new ArrayList<PermissionGroupInfo>(N); for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); } return out; } } private ApplicationInfo generateApplicationInfoFromSettingsLP(String packageName, int flags) { PackageSetting ps = mSettings.mPackages.get(packageName); if(ps != null) { if(ps.pkg == null) { PackageInfo pInfo = generatePackageInfoFromSettingsLP(packageName, flags); if(pInfo != null) { return pInfo.applicationInfo; } return null; } return PackageParser.generateApplicationInfo(ps.pkg, flags); } return null; } private PackageInfo generatePackageInfoFromSettingsLP(String packageName, int flags) { PackageSetting ps = mSettings.mPackages.get(packageName); if(ps != null) { if(ps.pkg == null) { ps.pkg = new PackageParser.Package(packageName); ps.pkg.applicationInfo.packageName = packageName; } return generatePackageInfo(ps.pkg, flags); } return null; } public ApplicationInfo getApplicationInfo(String packageName, int flags) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (Config.LOGV) Log.v( TAG, "getApplicationInfo " + packageName + ": " + p); if (p != null) { // Note: isEnabledLP() does not apply here - always return info return PackageParser.generateApplicationInfo(p, flags); } if ("android".equals(packageName)||"system".equals(packageName)) { return mAndroidApplication; } if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { return generateApplicationInfoFromSettingsLP(packageName, flags); } } return null; } public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; if (mInstaller != null) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Log.w(TAG, "Couldn't clear application caches"); } } //end if mInstaller if (observer != null) { try { observer.onRemoveCompleted(null, (retCode >= 0)); } catch (RemoteException e) { Log.w(TAG, "RemoveException when invoking call back"); } } } }); } public void freeStorage(final long freeStorageSize, final PendingIntent opFinishedIntent) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_CACHE, null); // Queue up an async operation since clearing cache may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); int retCode = -1; if (mInstaller != null) { retCode = mInstaller.freeCache(freeStorageSize); if (retCode < 0) { Log.w(TAG, "Couldn't clear application caches"); } } if(opFinishedIntent != null) { try { // Callback via pending intent opFinishedIntent.send((retCode >= 0) ? 1 : 0); } catch (CanceledException e1) { Log.i(TAG, "Failed to send pending intent"); } } } }); } public ActivityInfo getActivityInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Activity a = mActivities.mActivities.get(component); if (Config.LOGV) Log.v( TAG, "getActivityInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLP(a.info, flags)) { return PackageParser.generateActivityInfo(a, flags); } if (mResolveComponentName.equals(component)) { return mResolveActivity; } } return null; } public ActivityInfo getReceiverInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Activity a = mReceivers.mActivities.get(component); if (Config.LOGV) Log.v( TAG, "getReceiverInfo " + component + ": " + a); if (a != null && mSettings.isEnabledLP(a.info, flags)) { return PackageParser.generateActivityInfo(a, flags); } } return null; } public ServiceInfo getServiceInfo(ComponentName component, int flags) { synchronized (mPackages) { PackageParser.Service s = mServices.mServices.get(component); if (Config.LOGV) Log.v( TAG, "getServiceInfo " + component + ": " + s); if (s != null && mSettings.isEnabledLP(s.info, flags)) { return PackageParser.generateServiceInfo(s, flags); } } return null; } public String[] getSystemSharedLibraryNames() { Set<String> libSet; synchronized (mPackages) { libSet = mSharedLibraries.keySet(); } int size = libSet.size(); if (size > 0) { String[] libs = new String[size]; libSet.toArray(libs); return libs; } return null; } public int checkPermission(String permName, String pkgName) { synchronized (mPackages) { PackageParser.Package p = mPackages.get(pkgName); if (p != null && p.mExtras != null) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps.sharedUser != null) { if (ps.sharedUser.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else if (ps.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } public int checkUidPermission(String permName, int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj != null) { if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; if (sus.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; if (ps.grantedPermissions.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } else { HashSet<String> perms = mSystemPermissions.get(uid); if (perms != null && perms.contains(permName)) { return PackageManager.PERMISSION_GRANTED; } } } return PackageManager.PERMISSION_DENIED; } private BasePermission findPermissionTreeLP(String permName) { for(BasePermission bp : mSettings.mPermissionTrees.values()) { if (permName.startsWith(bp.name) && permName.length() > bp.name.length() && permName.charAt(bp.name.length()) == '.') { return bp; } } return null; } private BasePermission checkPermissionTreeLP(String permName) { if (permName != null) { BasePermission bp = findPermissionTreeLP(permName); if (bp != null) { if (bp.uid == Binder.getCallingUid()) { return bp; } throw new SecurityException("Calling uid " + Binder.getCallingUid() + " is not allowed to add to permission tree " + bp.name + " owned by uid " + bp.uid); } } throw new SecurityException("No permission tree found for " + permName); } public boolean addPermission(PermissionInfo info) { synchronized (mPackages) { if (info.labelRes == 0 && info.nonLocalizedLabel == null) { throw new SecurityException("Label must be specified in permission"); } BasePermission tree = checkPermissionTreeLP(info.name); BasePermission bp = mSettings.mPermissions.get(info.name); boolean added = bp == null; if (added) { bp = new BasePermission(info.name, tree.sourcePackage, BasePermission.TYPE_DYNAMIC); } else if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + info.name); } bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(info)); bp.perm.info.packageName = tree.perm.info.packageName; bp.uid = tree.uid; if (added) { mSettings.mPermissions.put(info.name, bp); } mSettings.writeLP(); return added; } } public void removePermission(String name) { synchronized (mPackages) { checkPermissionTreeLP(name); BasePermission bp = mSettings.mPermissions.get(name); if (bp != null) { if (bp.type != BasePermission.TYPE_DYNAMIC) { throw new SecurityException( "Not allowed to modify non-dynamic permission " + name); } mSettings.mPermissions.remove(name); mSettings.writeLP(); } } } public int checkSignatures(String pkg1, String pkg2) { synchronized (mPackages) { PackageParser.Package p1 = mPackages.get(pkg1); PackageParser.Package p2 = mPackages.get(pkg2); if (p1 == null || p1.mExtras == null || p2 == null || p2.mExtras == null) { return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; } return checkSignaturesLP(p1, p2); } } int checkSignaturesLP(PackageParser.Package p1, PackageParser.Package p2) { if (p1.mSignatures == null) { return p2.mSignatures == null ? PackageManager.SIGNATURE_NEITHER_SIGNED : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; } if (p2.mSignatures == null) { return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; } final int N1 = p1.mSignatures.length; final int N2 = p2.mSignatures.length; for (int i=0; i<N1; i++) { boolean match = false; for (int j=0; j<N2; j++) { if (p1.mSignatures[i].equals(p2.mSignatures[j])) { match = true; break; } } if (!match) { return PackageManager.SIGNATURE_NO_MATCH; } } return PackageManager.SIGNATURE_MATCH; } public String[] getPackagesForUid(int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; final int N = sus.packages.size(); String[] res = new String[N]; Iterator<PackageSetting> it = sus.packages.iterator(); int i=0; while (it.hasNext()) { res[i++] = it.next().name; } return res; } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; return new String[] { ps.name }; } } return null; } public String getNameForUid(int uid) { synchronized (mPackages) { Object obj = mSettings.getUserIdLP(uid); if (obj instanceof SharedUserSetting) { SharedUserSetting sus = (SharedUserSetting)obj; return sus.name + ":" + sus.userId; } else if (obj instanceof PackageSetting) { PackageSetting ps = (PackageSetting)obj; return ps.name; } } return null; } public int getUidForSharedUser(String sharedUserName) { if(sharedUserName == null) { return -1; } synchronized (mPackages) { SharedUserSetting suid = mSettings.getSharedUserLP(sharedUserName, 0, false); if(suid == null) { return -1; } return suid.userId; } } public ResolveInfo resolveIntent(Intent intent, String resolvedType, int flags) { List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags); if (query != null) { final int N = query.size(); if (N == 1) { return query.get(0); } else if (N > 1) { // If there is more than one activity with the same priority, // then let the user decide between them. ResolveInfo r0 = query.get(0); ResolveInfo r1 = query.get(1); if (false) { System.out.println(r0.activityInfo.name + "=" + r0.priority + " vs " + r1.activityInfo.name + "=" + r1.priority); } // If the first activity has a higher priority, or a different // default, then it is always desireable to pick it. if (r0.priority != r1.priority || r0.preferredOrder != r1.preferredOrder || r0.isDefault != r1.isDefault) { return query.get(0); } // If we have saved a preference for a preferred activity for // this Intent, use that. ResolveInfo ri = findPreferredActivity(intent, resolvedType, flags, query, r0.priority); if (ri != null) { return ri; } return mResolveInfo; } } return null; } ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, List<ResolveInfo> query, int priority) { synchronized (mPackages) { if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); List<PreferredActivity> prefs = mSettings.mPreferredActivities.queryIntent(null, intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); if (prefs != null && prefs.size() > 0) { // First figure out how good the original match set is. // We will only allow preferred activities that came // from the same match quality. int match = 0; final int N = query.size(); if (DEBUG_PREFERRED) Log.v(TAG, "Figuring out best match..."); for (int j=0; j<N; j++) { ResolveInfo ri = query.get(j); if (DEBUG_PREFERRED) Log.v(TAG, "Match for " + ri.activityInfo + ": 0x" + Integer.toHexString(match)); if (ri.match > match) match = ri.match; } if (DEBUG_PREFERRED) Log.v(TAG, "Best match: 0x" + Integer.toHexString(match)); match &= IntentFilter.MATCH_CATEGORY_MASK; final int M = prefs.size(); for (int i=0; i<M; i++) { PreferredActivity pa = prefs.get(i); if (pa.mMatch != match) { continue; } ActivityInfo ai = getActivityInfo(pa.mActivity, flags); if (DEBUG_PREFERRED) { Log.v(TAG, "Got preferred activity:"); ai.dump(new LogPrinter(Log.INFO, TAG), " "); } if (ai != null) { for (int j=0; j<N; j++) { ResolveInfo ri = query.get(j); if (!ri.activityInfo.applicationInfo.packageName .equals(ai.applicationInfo.packageName)) { continue; } if (!ri.activityInfo.name.equals(ai.name)) { continue; } // Okay we found a previously set preferred app. // If the result set is different from when this // was created, we need to clear it and re-ask the // user their preference. if (!pa.sameSet(query, priority)) { Log.i(TAG, "Result set changed, dropping preferred activity for " + intent + " type " + resolvedType); mSettings.mPreferredActivities.removeFilter(pa); return null; } // Yay! return ri; } } } } } return null; } public List<ResolveInfo> queryIntentActivities(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp != null) { List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); ActivityInfo ai = getActivityInfo(comp, flags); if (ai != null) { ResolveInfo ri = new ResolveInfo(); ri.activityInfo = ai; list.add(ri); } return list; } synchronized (mPackages) { return (List<ResolveInfo>)mActivities. queryIntent(null, intent, resolvedType, flags); } } public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, Intent[] specifics, String[] specificTypes, Intent intent, String resolvedType, int flags) { final String resultsAction = intent.getAction(); List<ResolveInfo> results = queryIntentActivities( intent, resolvedType, flags|PackageManager.GET_RESOLVED_FILTER); if (Config.LOGV) Log.v(TAG, "Query " + intent + ": " + results); int specificsPos = 0; int N; // todo: note that the algorithm used here is O(N^2). This // isn't a problem in our current environment, but if we start running // into situations where we have more than 5 or 10 matches then this // should probably be changed to something smarter... // First we go through and resolve each of the specific items // that were supplied, taking care of removing any corresponding // duplicate items in the generic resolve list. if (specifics != null) { for (int i=0; i<specifics.length; i++) { final Intent sintent = specifics[i]; if (sintent == null) { continue; } if (Config.LOGV) Log.v(TAG, "Specific #" + i + ": " + sintent); String action = sintent.getAction(); if (resultsAction != null && resultsAction.equals(action)) { // If this action was explicitly requested, then don't // remove things that have it. action = null; } ComponentName comp = sintent.getComponent(); ResolveInfo ri = null; ActivityInfo ai = null; if (comp == null) { ri = resolveIntent( sintent, specificTypes != null ? specificTypes[i] : null, flags); if (ri == null) { continue; } if (ri == mResolveInfo) { // ACK! Must do something better with this. } ai = ri.activityInfo; comp = new ComponentName(ai.applicationInfo.packageName, ai.name); } else { ai = getActivityInfo(comp, flags); if (ai == null) { continue; } } // Look for any generic query activities that are duplicates // of this specific one, and remove them from the results. if (Config.LOGV) Log.v(TAG, "Specific #" + i + ": " + ai); N = results.size(); int j; for (j=specificsPos; j<N; j++) { ResolveInfo sri = results.get(j); if ((sri.activityInfo.name.equals(comp.getClassName()) && sri.activityInfo.applicationInfo.packageName.equals( comp.getPackageName())) || (action != null && sri.filter.matchAction(action))) { results.remove(j); if (Config.LOGV) Log.v( TAG, "Removing duplicate item from " + j + " due to specific " + specificsPos); if (ri == null) { ri = sri; } j--; N--; } } // Add this specific item to its proper place. if (ri == null) { ri = new ResolveInfo(); ri.activityInfo = ai; } results.add(specificsPos, ri); ri.specificIndex = i; specificsPos++; } } // Now we go through the remaining generic results and remove any // duplicate actions that are found here. N = results.size(); for (int i=specificsPos; i<N-1; i++) { final ResolveInfo rii = results.get(i); if (rii.filter == null) { continue; } // Iterate over all of the actions of this result's intent // filter... typically this should be just one. final Iterator<String> it = rii.filter.actionsIterator(); if (it == null) { continue; } while (it.hasNext()) { final String action = it.next(); if (resultsAction != null && resultsAction.equals(action)) { // If this action was explicitly requested, then don't // remove things that have it. continue; } for (int j=i+1; j<N; j++) { final ResolveInfo rij = results.get(j); if (rij.filter != null && rij.filter.hasAction(action)) { results.remove(j); if (Config.LOGV) Log.v( TAG, "Removing duplicate item from " + j + " due to action " + action + " at " + i); j--; N--; } } } // If the caller didn't request filter information, drop it now // so we don't have to marshall/unmarshall it. if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { rii.filter = null; } } // Filter out the caller activity if so requested. if (caller != null) { N = results.size(); for (int i=0; i<N; i++) { ActivityInfo ainfo = results.get(i).activityInfo; if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) && caller.getClassName().equals(ainfo.name)) { results.remove(i); break; } } } // If the caller didn't request filter information, // drop them now so we don't have to // marshall/unmarshall it. if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { N = results.size(); for (int i=0; i<N; i++) { results.get(i).filter = null; } } if (Config.LOGV) Log.v(TAG, "Result: " + results); return results; } public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags) { synchronized (mPackages) { return (List<ResolveInfo>)mReceivers. queryIntent(null, intent, resolvedType, flags); } } public ResolveInfo resolveService(Intent intent, String resolvedType, int flags) { List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags); if (query != null) { if (query.size() >= 1) { // If there is more than one service with the same priority, // just arbitrarily pick the first one. return query.get(0); } } return null; } public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags) { ComponentName comp = intent.getComponent(); if (comp != null) { List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); ServiceInfo si = getServiceInfo(comp, flags); if (si != null) { ResolveInfo ri = new ResolveInfo(); ri.serviceInfo = si; list.add(ri); } return list; } synchronized (mPackages) { return (List<ResolveInfo>)mServices. queryIntent(null, intent, resolvedType, flags); } } public List<PackageInfo> getInstalledPackages(int flags) { ArrayList<PackageInfo> finalList = new ArrayList<PackageInfo>(); synchronized (mPackages) { if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { Iterator<PackageSetting> i = mSettings.mPackages.values().iterator(); while (i.hasNext()) { final PackageSetting ps = i.next(); PackageInfo psPkg = generatePackageInfoFromSettingsLP(ps.name, flags); if(psPkg != null) { finalList.add(psPkg); } } } else { Iterator<PackageParser.Package> i = mPackages.values().iterator(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null) { PackageInfo pi = generatePackageInfo(p, flags); if(pi != null) { finalList.add(pi); } } } } } return finalList; } public List<ApplicationInfo> getInstalledApplications(int flags) { ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); synchronized(mPackages) { if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { Iterator<PackageSetting> i = mSettings.mPackages.values().iterator(); while (i.hasNext()) { final PackageSetting ps = i.next(); ApplicationInfo ai = generateApplicationInfoFromSettingsLP(ps.name, flags); if(ai != null) { finalList.add(ai); } } } else { Iterator<PackageParser.Package> i = mPackages.values().iterator(); while (i.hasNext()) { final PackageParser.Package p = i.next(); if (p.applicationInfo != null) { ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags); if(ai != null) { finalList.add(ai); } } } } } return finalList; } public List<ApplicationInfo> getPersistentApplications(int flags) { ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); synchronized (mPackages) { Iterator<PackageParser.Package> i = mPackages.values().iterator(); while (i.hasNext()) { PackageParser.Package p = i.next(); if (p.applicationInfo != null && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 && (!mSafeMode || (p.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { finalList.add(p.applicationInfo); } } } return finalList; } public ProviderInfo resolveContentProvider(String name, int flags) { synchronized (mPackages) { final PackageParser.Provider provider = mProviders.get(name); return provider != null && mSettings.isEnabledLP(provider.info, flags) && (!mSafeMode || (provider.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0) ? PackageParser.generateProviderInfo(provider, flags) : null; } } public void querySyncProviders(List outNames, List outInfo) { synchronized (mPackages) { Iterator<Map.Entry<String, PackageParser.Provider>> i = mProviders.entrySet().iterator(); while (i.hasNext()) { Map.Entry<String, PackageParser.Provider> entry = i.next(); PackageParser.Provider p = entry.getValue(); if (p.syncable && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { outNames.add(entry.getKey()); outInfo.add(PackageParser.generateProviderInfo(p, 0)); } } } } public List<ProviderInfo> queryContentProviders(String processName, int uid, int flags) { ArrayList<ProviderInfo> finalList = null; synchronized (mPackages) { Iterator<PackageParser.Provider> i = mProvidersByComponent.values().iterator(); while (i.hasNext()) { PackageParser.Provider p = i.next(); if (p.info.authority != null && (processName == null || (p.info.processName.equals(processName) && p.info.applicationInfo.uid == uid)) && mSettings.isEnabledLP(p.info, flags) && (!mSafeMode || (p.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) != 0)) { if (finalList == null) { finalList = new ArrayList<ProviderInfo>(3); } finalList.add(PackageParser.generateProviderInfo(p, flags)); } } } if (finalList != null) { Collections.sort(finalList, mProviderInitOrderSorter); } return finalList; } public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { synchronized (mPackages) { final PackageParser.Instrumentation i = mInstrumentation.get(name); return PackageParser.generateInstrumentationInfo(i, flags); } } public List<InstrumentationInfo> queryInstrumentation(String targetPackage, int flags) { ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); synchronized (mPackages) { Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); while (i.hasNext()) { PackageParser.Instrumentation p = i.next(); if (targetPackage == null || targetPackage.equals(p.info.targetPackage)) { finalList.add(PackageParser.generateInstrumentationInfo(p, flags)); } } } return finalList; } private void scanDirLI(File dir, int flags, int scanMode) { Log.d(TAG, "Scanning app dir " + dir); String[] files = dir.list(); int i; for (i=0; i<files.length; i++) { File file = new File(dir, files[i]); PackageParser.Package pkg = scanPackageLI(file, file, file, flags|PackageParser.PARSE_MUST_BE_APK, scanMode); } } private static void reportSettingsProblem(int priority, String msg) { try { File dataDir = Environment.getDataDirectory(); File systemDir = new File(dataDir, "system"); File fname = new File(systemDir, "uiderrors.txt"); FileOutputStream out = new FileOutputStream(fname, true); PrintWriter pw = new PrintWriter(out); pw.println(msg); pw.close(); FileUtils.setPermissions( fname.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, -1, -1); } catch (java.io.IOException e) { } Log.println(priority, TAG, msg); } private boolean collectCertificatesLI(PackageParser pp, PackageSetting ps, PackageParser.Package pkg, File srcFile, int parseFlags) { if (GET_CERTIFICATES) { if (ps == null || !ps.codePath.equals(srcFile) || ps.getTimeStamp() != srcFile.lastModified()) { Log.i(TAG, srcFile.toString() + " changed; collecting certs"); if (!pp.collectCertificates(pkg, parseFlags)) { mLastScanError = pp.getParseError(); return false; } } } return true; } /* * Scan a package and return the newly parsed package. * Returns null in case of errors and the error code is stored in mLastScanError */ private PackageParser.Package scanPackageLI(File scanFile, File destCodeFile, File destResourceFile, int parseFlags, int scanMode) { mLastScanError = PackageManager.INSTALL_SUCCEEDED; parseFlags |= mDefParseFlags; PackageParser pp = new PackageParser(scanFile.getPath()); pp.setSeparateProcesses(mSeparateProcesses); pp.setSdkVersion(mSdkVersion); final PackageParser.Package pkg = pp.parsePackage(scanFile, destCodeFile.getAbsolutePath(), mMetrics, parseFlags); if (pkg == null) { mLastScanError = pp.getParseError(); return null; } PackageSetting ps; PackageSetting updatedPkg; synchronized (mPackages) { ps = mSettings.peekPackageLP(pkg.packageName, scanFile.toString()); updatedPkg = mSettings.mDisabledSysPackages.get(pkg.packageName); } if (updatedPkg != null) { // An updated system app will not have the PARSE_IS_SYSTEM flag set initially parseFlags |= PackageParser.PARSE_IS_SYSTEM; } if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { // Check for updated system applications here if ((updatedPkg != null) && (ps == null)) { // The system package has been updated and the code path does not match // Ignore entry. Just return Log.w(TAG, "Package:" + pkg.packageName + " has been updated. Ignoring the one from path:"+scanFile); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } } if (!collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags)) { Log.i(TAG, "Failed verifying certificates for package:" + pkg.packageName); return null; } // The apk is forward locked (not public) if its code and resources // are kept in different files. if (ps != null && !ps.codePath.equals(ps.resourcePath)) { scanMode |= SCAN_FORWARD_LOCKED; } // Note that we invoke the following method only if we are about to unpack an application return scanPackageLI(scanFile, destCodeFile, destResourceFile, pkg, parseFlags, scanMode | SCAN_UPDATE_SIGNATURE); } private static String fixProcessName(String defProcessName, String processName, int uid) { if (processName == null) { return defProcessName; } return processName; } private boolean verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg, int parseFlags, boolean updateSignature) { if (pkg.mSignatures != null) { if (!pkgSetting.signatures.updateSignatures(pkg.mSignatures, updateSignature)) { Log.e(TAG, "Package " + pkg.packageName + " signatures do not match the previously installed version; ignoring!"); mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; return false; } if (pkgSetting.sharedUser != null) { if (!pkgSetting.sharedUser.signatures.mergeSignatures( pkg.mSignatures, updateSignature)) { Log.e(TAG, "Package " + pkg.packageName + " has no signatures that match those in shared user " + pkgSetting.sharedUser.name + "; ignoring!"); mLastScanError = PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; return false; } } } else { pkg.mSignatures = pkgSetting.signatures.mSignatures; } return true; } private PackageParser.Package scanPackageLI( File scanFile, File destCodeFile, File destResourceFile, PackageParser.Package pkg, int parseFlags, int scanMode) { mScanningPath = scanFile; if (pkg == null) { mLastScanError = PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME; return null; } final String pkgName = pkg.applicationInfo.packageName; if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; } if (pkgName.equals("android")) { synchronized (mPackages) { if (mAndroidApplication != null) { Log.w(TAG, "*************************************************"); Log.w(TAG, "Core android package being redefined. Skipping."); Log.w(TAG, " file=" + mScanningPath); Log.w(TAG, "*************************************************"); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } // Set up information for our fall-back user intent resolution // activity. mPlatformPackage = pkg; pkg.mVersionCode = mSdkVersion; mAndroidApplication = pkg.applicationInfo; mResolveActivity.applicationInfo = mAndroidApplication; mResolveActivity.name = ResolverActivity.class.getName(); mResolveActivity.packageName = mAndroidApplication.packageName; mResolveActivity.processName = mAndroidApplication.processName; mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; mResolveActivity.theme = com.android.internal.R.style.Theme_Dialog_Alert; mResolveActivity.exported = true; mResolveActivity.enabled = true; mResolveInfo.activityInfo = mResolveActivity; mResolveInfo.priority = 0; mResolveInfo.preferredOrder = 0; mResolveInfo.match = 0; mResolveComponentName = new ComponentName( mAndroidApplication.packageName, mResolveActivity.name); } } if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD) Log.d( TAG, "Scanning package " + pkgName); if (mPackages.containsKey(pkgName) || mSharedLibraries.containsKey(pkgName)) { Log.w(TAG, "*************************************************"); Log.w(TAG, "Application package " + pkgName + " already installed. Skipping duplicate."); Log.w(TAG, "*************************************************"); mLastScanError = PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; return null; } SharedUserSetting suid = null; PackageSetting pkgSetting = null; boolean removeExisting = false; synchronized (mPackages) { // Check all shared libraries and map to their actual file path. if (pkg.usesLibraryFiles != null) { for (int i=0; i<pkg.usesLibraryFiles.length; i++) { String file = mSharedLibraries.get(pkg.usesLibraryFiles[i]); if (file == null) { Log.e(TAG, "Package " + pkg.packageName + " requires unavailable shared library " + pkg.usesLibraryFiles[i] + "; ignoring!"); mLastScanError = PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; return null; } pkg.usesLibraryFiles[i] = file; } } if (pkg.mSharedUserId != null) { suid = mSettings.getSharedUserLP(pkg.mSharedUserId, pkg.applicationInfo.flags, true); if (suid == null) { Log.w(TAG, "Creating application package " + pkgName + " for shared user failed"); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD) { Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId + "): packages=" + suid.packages); } } // Just create the setting, don't add it yet pkgSetting = mSettings.getPackageLP(pkg, suid, destCodeFile, destResourceFile, pkg.applicationInfo.flags, true, false); if (pkgSetting == null) { Log.w(TAG, "Creating application package " + pkgName + " failed"); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } if(mSettings.mDisabledSysPackages.get(pkg.packageName) != null) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } pkg.applicationInfo.uid = pkgSetting.userId; pkg.mExtras = pkgSetting; if (!verifySignaturesLP(pkgSetting, pkg, parseFlags, (scanMode&SCAN_UPDATE_SIGNATURE) != 0)) { if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) == 0) { mLastScanError = PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; return null; } // The signature has changed, but this package is in the system // image... let's recover! pkgSetting.signatures.mSignatures = pkg.mSignatures; // However... if this package is part of a shared user, but it // doesn't match the signature of the shared user, let's fail. // What this means is that you can't change the signatures // associated with an overall shared user, which doesn't seem all // that unreasonable. if (pkgSetting.sharedUser != null) { if (!pkgSetting.sharedUser.signatures.mergeSignatures( pkg.mSignatures, false)) { mLastScanError = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return null; } } removeExisting = true; } // Verify that this new package doesn't have any content providers // that conflict with existing packages. Only do this if the // package isn't already installed, since we don't want to break // things that are installed. if ((scanMode&SCAN_NEW_INSTALL) != 0) { int N = pkg.providers.size(); int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); String names[] = p.info.authority.split(";"); for (int j = 0; j < names.length; j++) { if (mProviders.containsKey(names[j])) { PackageParser.Provider other = mProviders.get(names[j]); Log.w(TAG, "Can't install because provider name " + names[j] + " (in package " + pkg.applicationInfo.packageName + ") is already used by " + ((other != null && other.component != null) ? other.component.getPackageName() : "?")); mLastScanError = PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; return null; } } } } } if (removeExisting) { if (mInstaller != null) { int ret = mInstaller.remove(pkgName); if (ret != 0) { String msg = "System package " + pkg.packageName + " could not have data directory erased after signature change."; reportSettingsProblem(Log.WARN, msg); mLastScanError = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; return null; } } Log.w(TAG, "System package " + pkg.packageName + " signature changed: existing data removed."); mLastScanError = PackageManager.INSTALL_SUCCEEDED; } long scanFileTime = scanFile.lastModified(); final boolean forceDex = (scanMode&SCAN_FORCE_DEX) != 0; final boolean scanFileNewer = forceDex || scanFileTime != pkgSetting.getTimeStamp(); pkg.applicationInfo.processName = fixProcessName( pkg.applicationInfo.packageName, pkg.applicationInfo.processName, pkg.applicationInfo.uid); pkg.applicationInfo.publicSourceDir = pkgSetting.resourcePathString; File dataPath; if (mPlatformPackage == pkg) { // The system package is special. dataPath = new File (Environment.getDataDirectory(), "system"); pkg.applicationInfo.dataDir = dataPath.getPath(); } else { // This is a normal package, need to make its data directory. dataPath = new File(mAppDataDir, pkgName); if (dataPath.exists()) { mOutPermissions[1] = 0; FileUtils.getPermissions(dataPath.getPath(), mOutPermissions); if (mOutPermissions[1] == pkg.applicationInfo.uid || !Process.supportsProcesses()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { boolean recovered = false; if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { // If this is a system app, we can at least delete its // current data so the application will still work. if (mInstaller != null) { int ret = mInstaller.remove(pkgName); if(ret >= 0) { // Old data gone! String msg = "System package " + pkg.packageName + " has changed from uid: " + mOutPermissions[1] + " to " + pkg.applicationInfo.uid + "; old data erased"; reportSettingsProblem(Log.WARN, msg); recovered = true; // And now re-install the app. ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if (ret == -1) { // Ack should not happen! msg = "System package " + pkg.packageName + " could not have data directory re-created after delete."; reportSettingsProblem(Log.WARN, msg); mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } } } if (!recovered) { mHasSystemUidErrors = true; } } if (!recovered) { pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" + pkg.applicationInfo.uid + "/fs_" + mOutPermissions[1]; String msg = "Package " + pkg.packageName + " has mismatched uid: " + mOutPermissions[1] + " on disk, " + pkg.applicationInfo.uid + " in settings"; synchronized (mPackages) { if (!mReportedUidError) { mReportedUidError = true; msg = msg + "; read messages:\n" + mSettings.getReadMessagesLP(); } reportSettingsProblem(Log.ERROR, msg); } } } pkg.applicationInfo.dataDir = dataPath.getPath(); } else { if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGV) Log.v(TAG, "Want this data dir: " + dataPath); //invoke installer to do the actual installation if (mInstaller != null) { int ret = mInstaller.install(pkgName, pkg.applicationInfo.uid, pkg.applicationInfo.uid); if(ret < 0) { // Error from installer mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } } else { dataPath.mkdirs(); if (dataPath.exists()) { FileUtils.setPermissions( dataPath.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, pkg.applicationInfo.uid, pkg.applicationInfo.uid); } } if (dataPath.exists()) { pkg.applicationInfo.dataDir = dataPath.getPath(); } else { Log.w(TAG, "Unable to create data directory: " + dataPath); pkg.applicationInfo.dataDir = null; } } } // Perform shared library installation and dex validation and // optimization, if this is not a system app. if (mInstaller != null) { String path = scanFile.getPath(); if (scanFileNewer) { Log.i(TAG, path + " changed; unpacking"); try { cachePackageSharedLibsLI(pkg, dataPath, scanFile); } catch (IOException e) { Log.e(TAG, "Failure extracting shared libs", e); if(mInstaller != null) { mInstaller.remove(pkgName); } else { dataPath.delete(); } mLastScanError = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return null; } } if ((scanMode&SCAN_NO_DEX) == 0 && (pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { int ret = 0; try { if (forceDex || dalvik.system.DexFile.isDexOptNeeded(path)) { ret = mInstaller.dexopt(path, pkg.applicationInfo.uid, (scanMode&SCAN_FORWARD_LOCKED) == 0); } } catch (FileNotFoundException e) { Log.w(TAG, "Apk not found for dexopt: " + path); ret = -1; } catch (IOException e) { Log.w(TAG, "Exception reading apk: " + path, e); ret = -1; } if (ret < 0) { //error from installer mLastScanError = PackageManager.INSTALL_FAILED_DEXOPT; return null; } } } if (mFactoryTest && pkg.requestedPermissions.contains( android.Manifest.permission.FACTORY_TEST)) { pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; } if ((scanMode&SCAN_MONITOR) != 0) { pkg.mPath = destCodeFile.getAbsolutePath(); mAppDirs.put(pkg.mPath, pkg); } synchronized (mPackages) { // We don't expect installation to fail beyond this point // Add the new setting to mSettings mSettings.insertPackageSettingLP(pkgSetting, pkg.packageName, suid); // Add the new setting to mPackages mPackages.put(pkg.applicationInfo.packageName, pkg); int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); p.info.processName = fixProcessName(pkg.applicationInfo.processName, p.info.processName, pkg.applicationInfo.uid); mProvidersByComponent.put(new ComponentName(p.info.packageName, p.info.name), p); p.syncable = p.info.isSyncable; String names[] = p.info.authority.split(";"); p.info.authority = null; for (int j = 0; j < names.length; j++) { if (j == 1 && p.syncable) { // We only want the first authority for a provider to possibly be // syncable, so if we already added this provider using a different // authority clear the syncable flag. We copy the provider before // changing it because the mProviders object contains a reference // to a provider that we don't want to change. // Only do this for the second authority since the resulting provider // object can be the same for all future authorities for this provider. p = new PackageParser.Provider(p); p.syncable = false; } if (!mProviders.containsKey(names[j])) { mProviders.put(names[j], p); if (p.info.authority == null) { p.info.authority = names[j]; } else { p.info.authority = p.info.authority + ";" + names[j]; } if ((parseFlags&PackageParser.PARSE_CHATTY) != 0 && Config.LOGD) Log.d(TAG, "Registered content provider: " + names[j] + ", className = " + p.info.name + ", isSyncable = " + p.info.isSyncable); } else { PackageParser.Provider other = mProviders.get(names[j]); Log.w(TAG, "Skipping provider name " + names[j] + " (in package " + pkg.applicationInfo.packageName + "): name already used by " + ((other != null && other.component != null) ? other.component.getPackageName() : "?")); } } if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Providers: " + r); } N = pkg.services.size(); r = null; for (i=0; i<N; i++) { PackageParser.Service s = pkg.services.get(i); s.info.processName = fixProcessName(pkg.applicationInfo.processName, s.info.processName, pkg.applicationInfo.uid); mServices.addService(s); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(s.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Services: " + r); } N = pkg.receivers.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.receivers.get(i); a.info.processName = fixProcessName(pkg.applicationInfo.processName, a.info.processName, pkg.applicationInfo.uid); mReceivers.addActivity(a, "receiver"); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Receivers: " + r); } N = pkg.activities.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.activities.get(i); a.info.processName = fixProcessName(pkg.applicationInfo.processName, a.info.processName, pkg.applicationInfo.uid); mActivities.addActivity(a, "activity"); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Activities: " + r); } N = pkg.permissionGroups.size(); r = null; for (i=0; i<N; i++) { PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); if (cur == null) { mPermissionGroups.put(pg.info.name, pg); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(pg.info.name); } } else { Log.w(TAG, "Permission group " + pg.info.name + " from package " + pg.info.packageName + " ignored: original from " + cur.info.packageName); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append("DUP:"); r.append(pg.info.name); } } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Permission Groups: " + r); } N = pkg.permissions.size(); r = null; for (i=0; i<N; i++) { PackageParser.Permission p = pkg.permissions.get(i); HashMap<String, BasePermission> permissionMap = p.tree ? mSettings.mPermissionTrees : mSettings.mPermissions; p.group = mPermissionGroups.get(p.info.group); if (p.info.group == null || p.group != null) { BasePermission bp = permissionMap.get(p.info.name); if (bp == null) { bp = new BasePermission(p.info.name, p.info.packageName, BasePermission.TYPE_NORMAL); permissionMap.put(p.info.name, bp); } if (bp.perm == null) { if (bp.sourcePackage == null || bp.sourcePackage.equals(p.info.packageName)) { BasePermission tree = findPermissionTreeLP(p.info.name); if (tree == null || tree.sourcePackage.equals(p.info.packageName)) { bp.perm = p; bp.uid = pkg.applicationInfo.uid; if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } else { Log.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: base tree " + tree.name + " is from package " + tree.sourcePackage); } } else { Log.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: original from " + bp.sourcePackage); } } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append("DUP:"); r.append(p.info.name); } } else { Log.w(TAG, "Permission " + p.info.name + " from package " + p.info.packageName + " ignored: no group " + p.group); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i<N; i++) { PackageParser.Instrumentation a = pkg.instrumentation.get(i); a.info.packageName = pkg.applicationInfo.packageName; a.info.sourceDir = pkg.applicationInfo.sourceDir; a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; a.info.dataDir = pkg.applicationInfo.dataDir; mInstrumentation.put(a.component, a); if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Instrumentation: " + r); } pkgSetting.setTimeStamp(scanFileTime); } return pkg; } private void cachePackageSharedLibsLI(PackageParser.Package pkg, File dataPath, File scanFile) throws IOException { File sharedLibraryDir = new File(dataPath.getPath() + "/lib"); final String sharedLibraryABI = "armeabi"; final String apkLibraryDirectory = "lib/" + sharedLibraryABI + "/"; final String apkSharedLibraryPrefix = apkLibraryDirectory + "lib"; final String sharedLibrarySuffix = ".so"; boolean createdSharedLib = false; try { ZipFile zipFile = new ZipFile(scanFile); Enumeration<ZipEntry> entries = (Enumeration<ZipEntry>) zipFile.entries(); while (entries.hasMoreElements()) { ZipEntry entry = entries.nextElement(); if (entry.isDirectory()) { continue; } String entryName = entry.getName(); if (! (entryName.startsWith(apkSharedLibraryPrefix) && entryName.endsWith(sharedLibrarySuffix))) { continue; } String libFileName = entryName.substring( apkLibraryDirectory.length()); if (libFileName.contains("/") || (!FileUtils.isFilenameSafe(new File(libFileName)))) { continue; } String sharedLibraryFilePath = sharedLibraryDir.getPath() + File.separator + libFileName; File sharedLibraryFile = new File(sharedLibraryFilePath); if (! sharedLibraryFile.exists() || sharedLibraryFile.length() != entry.getSize() || sharedLibraryFile.lastModified() != entry.getTime()) { if (Config.LOGD) { Log.d(TAG, "Caching shared lib " + entry.getName()); } if (mInstaller == null) { sharedLibraryDir.mkdir(); createdSharedLib = true; } cacheSharedLibLI(pkg, zipFile, entry, sharedLibraryDir, sharedLibraryFile); } } } catch (IOException e) { Log.e(TAG, "Failed to cache package shared libs", e); if(createdSharedLib) { sharedLibraryDir.delete(); } throw e; } } private void cacheSharedLibLI(PackageParser.Package pkg, ZipFile zipFile, ZipEntry entry, File sharedLibraryDir, File sharedLibraryFile) throws IOException { InputStream inputStream = zipFile.getInputStream(entry); try { File tempFile = File.createTempFile("tmp", "tmp", sharedLibraryDir); String tempFilePath = tempFile.getPath(); // XXX package manager can't change owner, so the lib files for // now need to be left as world readable and owned by the system. if (! FileUtils.copyToFile(inputStream, tempFile) || ! tempFile.setLastModified(entry.getTime()) || FileUtils.setPermissions(tempFilePath, FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP |FileUtils.S_IROTH, -1, -1) != 0 || ! tempFile.renameTo(sharedLibraryFile)) { // Failed to properly write file. tempFile.delete(); throw new IOException("Couldn't create cached shared lib " + sharedLibraryFile + " in " + sharedLibraryDir); } } finally { inputStream.close(); } } void removePackageLI(PackageParser.Package pkg, boolean chatty) { if (chatty && Config.LOGD) Log.d( TAG, "Removing package " + pkg.applicationInfo.packageName ); synchronized (mPackages) { if (pkg.mPreferredOrder > 0) { mSettings.mPreferredPackages.remove(pkg); pkg.mPreferredOrder = 0; updatePreferredIndicesLP(); } clearPackagePreferredActivitiesLP(pkg.packageName); mPackages.remove(pkg.applicationInfo.packageName); if (pkg.mPath != null) { mAppDirs.remove(pkg.mPath); } PackageSetting ps = (PackageSetting)pkg.mExtras; if (ps != null && ps.sharedUser != null) { // XXX don't do this until the data is removed. if (false) { ps.sharedUser.packages.remove(ps); if (ps.sharedUser.packages.size() == 0) { // Remove. } } } int N = pkg.providers.size(); StringBuilder r = null; int i; for (i=0; i<N; i++) { PackageParser.Provider p = pkg.providers.get(i); mProvidersByComponent.remove(new ComponentName(p.info.packageName, p.info.name)); if (p.info.authority == null) { /* The is another ContentProvider with this authority when * this app was installed so this authority is null, * Ignore it as we don't have to unregister the provider. */ continue; } String names[] = p.info.authority.split(";"); for (int j = 0; j < names.length; j++) { if (mProviders.get(names[j]) == p) { mProviders.remove(names[j]); if (chatty && Config.LOGD) Log.d( TAG, "Unregistered content provider: " + names[j] + ", className = " + p.info.name + ", isSyncable = " + p.info.isSyncable); } } if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Providers: " + r); } N = pkg.services.size(); r = null; for (i=0; i<N; i++) { PackageParser.Service s = pkg.services.get(i); mServices.removeService(s); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(s.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Services: " + r); } N = pkg.receivers.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.receivers.get(i); mReceivers.removeActivity(a, "receiver"); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Receivers: " + r); } N = pkg.activities.size(); r = null; for (i=0; i<N; i++) { PackageParser.Activity a = pkg.activities.get(i); mActivities.removeActivity(a, "activity"); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Activities: " + r); } N = pkg.permissions.size(); r = null; for (i=0; i<N; i++) { PackageParser.Permission p = pkg.permissions.get(i); boolean tree = false; BasePermission bp = mSettings.mPermissions.get(p.info.name); if (bp == null) { tree = true; bp = mSettings.mPermissionTrees.get(p.info.name); } if (bp != null && bp.perm == p) { if (bp.type != BasePermission.TYPE_BUILTIN) { if (tree) { mSettings.mPermissionTrees.remove(p.info.name); } else { mSettings.mPermissions.remove(p.info.name); } } else { bp.perm = null; } if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(p.info.name); } } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Permissions: " + r); } N = pkg.instrumentation.size(); r = null; for (i=0; i<N; i++) { PackageParser.Instrumentation a = pkg.instrumentation.get(i); mInstrumentation.remove(a.component); if (chatty) { if (r == null) { r = new StringBuilder(256); } else { r.append(' '); } r.append(a.info.name); } } if (r != null) { if (Config.LOGD) Log.d(TAG, " Instrumentation: " + r); } } } private static final boolean isPackageFilename(String name) { return name != null && name.endsWith(".apk"); } private void updatePermissionsLP() { // Make sure there are no dangling permission trees. Iterator<BasePermission> it = mSettings.mPermissionTrees .values().iterator(); while (it.hasNext()) { BasePermission bp = it.next(); if (bp.perm == null) { Log.w(TAG, "Removing dangling permission tree: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } } // Make sure all dynamic permissions have been assigned to a package, // and make sure there are no dangling permissions. it = mSettings.mPermissions.values().iterator(); while (it.hasNext()) { BasePermission bp = it.next(); if (bp.type == BasePermission.TYPE_DYNAMIC) { if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" + bp.name + " pkg=" + bp.sourcePackage + " info=" + bp.pendingInfo); if (bp.perm == null && bp.pendingInfo != null) { BasePermission tree = findPermissionTreeLP(bp.name); if (tree != null) { bp.perm = new PackageParser.Permission(tree.perm.owner, new PermissionInfo(bp.pendingInfo)); bp.perm.info.packageName = tree.perm.info.packageName; bp.perm.info.name = bp.name; bp.uid = tree.uid; } } } if (bp.perm == null) { Log.w(TAG, "Removing dangling permission: " + bp.name + " from package " + bp.sourcePackage); it.remove(); } } // Now update the permissions for all packages, in particular // replace the granted permissions of the system packages. for (PackageParser.Package pkg : mPackages.values()) { grantPermissionsLP(pkg, false); } } private void grantPermissionsLP(PackageParser.Package pkg, boolean replace) { final PackageSetting ps = (PackageSetting)pkg.mExtras; if (ps == null) { return; } final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; boolean addedPermission = false; if (replace) { ps.permissionsFixed = false; if (gp == ps) { gp.grantedPermissions.clear(); gp.gids = mGlobalGids; } } if (gp.gids == null) { gp.gids = mGlobalGids; } final int N = pkg.requestedPermissions.size(); for (int i=0; i<N; i++) { String name = pkg.requestedPermissions.get(i); BasePermission bp = mSettings.mPermissions.get(name); PackageParser.Permission p = bp != null ? bp.perm : null; if (false) { if (gp != ps) { Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + p); } } if (p != null) { final String perm = p.info.name; boolean allowed; if (p.info.protectionLevel == PermissionInfo.PROTECTION_NORMAL || p.info.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) { allowed = true; } else if (p.info.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE || p.info.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) { allowed = (checkSignaturesLP(p.owner, pkg) == PackageManager.SIGNATURE_MATCH) || (checkSignaturesLP(mPlatformPackage, pkg) == PackageManager.SIGNATURE_MATCH); if (p.info.protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) { if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { // For updated system applications, the signatureOrSystem permission // is granted only if it had been defined by the original application. if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0) { PackageSetting sysPs = mSettings.getDisabledSystemPkg(pkg.packageName); if(sysPs.grantedPermissions.contains(perm)) { allowed = true; } else { allowed = false; } } else { allowed = true; } } } } else { allowed = false; } if (false) { if (gp != ps) { Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); } } if (allowed) { if ((ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 && ps.permissionsFixed) { // If this is an existing, non-system package, then // we can't add any new permissions to it. if (!gp.loadedPermissions.contains(perm)) { allowed = false; } } if (allowed) { if (!gp.grantedPermissions.contains(perm)) { addedPermission = true; gp.grantedPermissions.add(perm); gp.gids = appendInts(gp.gids, bp.gids); } } else { Log.w(TAG, "Not granting permission " + perm + " to package " + pkg.packageName + " because it was previously installed without"); } } else { Log.w(TAG, "Not granting permission " + perm + " to package " + pkg.packageName + " (protectionLevel=" + p.info.protectionLevel + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) + ")"); } } else { Log.w(TAG, "Unknown permission " + name + " in package " + pkg.packageName); } } if ((addedPermission || replace) && !ps.permissionsFixed && (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { // This is the first that we have heard about this package, so the // permissions we have now selected are fixed until explicitly // changed. ps.permissionsFixed = true; gp.loadedPermissions = new HashSet<String>(gp.grantedPermissions); } } private final class ActivityIntentResolver extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { public List queryIntent(ContentResolver resolver, Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(resolver, intent, resolvedType, defaultOnly); } public List queryIntent(ContentResolver resolver, Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent( resolver, intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public final void addActivity(PackageParser.Activity a, String type) { mActivities.put(a.component, a); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name); int NI = a.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ActivityIntentInfo intent = a.intents.get(j); if (SHOW_INFO || Config.LOGV) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } if (!intent.debugCheck()) { Log.w(TAG, "==> For Activity " + a.info.name); } addFilter(intent); } } public final void removeActivity(PackageParser.Activity a, String type) { mActivities.remove(a.component); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + type + " " + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v(TAG, " Class=" + a.info.name); int NI = a.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ActivityIntentInfo intent = a.intents.get(j); if (SHOW_INFO || Config.LOGV) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } removeFilter(intent); } } @Override protected boolean allowFilterResult( PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { ActivityInfo filterAi = filter.activity.info; for (int i=dest.size()-1; i>=0; i--) { ActivityInfo destAi = dest.get(i).activityInfo; if (destAi.name == filterAi.name && destAi.packageName == filterAi.packageName) { return false; } } return true; } @Override protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, int match) { if (!mSettings.isEnabledLP(info.activity.info, mFlags)) { return null; } final PackageParser.Activity activity = info.activity; if (mSafeMode && (activity.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } final ResolveInfo res = new ResolveInfo(); res.activityInfo = PackageParser.generateActivityInfo(activity, mFlags); if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = info; } res.priority = info.getPriority(); res.preferredOrder = activity.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; return res; } @Override protected void sortResults(List<ResolveInfo> results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(Printer out, String prefix, PackageParser.ActivityIntentInfo filter) { out.println(prefix + Integer.toHexString(System.identityHashCode(filter.activity)) + " " + filter.activity.component.flattenToShortString()); } // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); // final List<ResolveInfo> retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = i.next(); // if (isEnabledLP(resolveInfo.activityInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final HashMap<ComponentName, PackageParser.Activity> mActivities = new HashMap<ComponentName, PackageParser.Activity>(); private int mFlags; } private final class ServiceIntentResolver extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { public List queryIntent(ContentResolver resolver, Intent intent, String resolvedType, boolean defaultOnly) { mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; return super.queryIntent(resolver, intent, resolvedType, defaultOnly); } public List queryIntent(ContentResolver resolver, Intent intent, String resolvedType, int flags) { mFlags = flags; return super.queryIntent( resolver, intent, resolvedType, (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0); } public final void addService(PackageParser.Service s) { mServices.put(s.component, s); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " Class=" + s.info.name); int NI = s.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ServiceIntentInfo intent = s.intents.get(j); if (SHOW_INFO || Config.LOGV) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } if (!intent.debugCheck()) { Log.w(TAG, "==> For Service " + s.info.name); } addFilter(intent); } } public final void removeService(PackageParser.Service s) { mServices.remove(s.component); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " " + (s.info.nonLocalizedLabel != null ? s.info.nonLocalizedLabel : s.info.name) + ":"); if (SHOW_INFO || Config.LOGV) Log.v( TAG, " Class=" + s.info.name); int NI = s.intents.size(); int j; for (j=0; j<NI; j++) { PackageParser.ServiceIntentInfo intent = s.intents.get(j); if (SHOW_INFO || Config.LOGV) { Log.v(TAG, " IntentFilter:"); intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); } removeFilter(intent); } } @Override protected boolean allowFilterResult( PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { ServiceInfo filterSi = filter.service.info; for (int i=dest.size()-1; i>=0; i--) { ServiceInfo destAi = dest.get(i).serviceInfo; if (destAi.name == filterSi.name && destAi.packageName == filterSi.packageName) { return false; } } return true; } @Override protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, int match) { final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; if (!mSettings.isEnabledLP(info.service.info, mFlags)) { return null; } final PackageParser.Service service = info.service; if (mSafeMode && (service.info.applicationInfo.flags &ApplicationInfo.FLAG_SYSTEM) == 0) { return null; } final ResolveInfo res = new ResolveInfo(); res.serviceInfo = PackageParser.generateServiceInfo(service, mFlags); if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { res.filter = filter; } res.priority = info.getPriority(); res.preferredOrder = service.owner.mPreferredOrder; //System.out.println("Result: " + res.activityInfo.className + // " = " + res.priority); res.match = match; res.isDefault = info.hasDefault; res.labelRes = info.labelRes; res.nonLocalizedLabel = info.nonLocalizedLabel; res.icon = info.icon; return res; } @Override protected void sortResults(List<ResolveInfo> results) { Collections.sort(results, mResolvePrioritySorter); } @Override protected void dumpFilter(Printer out, String prefix, PackageParser.ServiceIntentInfo filter) { out.println(prefix + Integer.toHexString(System.identityHashCode(filter.service)) + " " + filter.service.component.flattenToShortString()); } // List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { // final Iterator<ResolveInfo> i = resolveInfoList.iterator(); // final List<ResolveInfo> retList = Lists.newArrayList(); // while (i.hasNext()) { // final ResolveInfo resolveInfo = (ResolveInfo) i; // if (isEnabledLP(resolveInfo.serviceInfo)) { // retList.add(resolveInfo); // } // } // return retList; // } // Keys are String (activity class name), values are Activity. private final HashMap<ComponentName, PackageParser.Service> mServices = new HashMap<ComponentName, PackageParser.Service>(); private int mFlags; }; private static final Comparator<ResolveInfo> mResolvePrioritySorter = new Comparator<ResolveInfo>() { public int compare(ResolveInfo r1, ResolveInfo r2) { int v1 = r1.priority; int v2 = r2.priority; //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); if (v1 != v2) { return (v1 > v2) ? -1 : 1; } v1 = r1.preferredOrder; v2 = r2.preferredOrder; if (v1 != v2) { return (v1 > v2) ? -1 : 1; } if (r1.isDefault != r2.isDefault) { return r1.isDefault ? -1 : 1; } v1 = r1.match; v2 = r2.match; //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; private static final Comparator<ProviderInfo> mProviderInitOrderSorter = new Comparator<ProviderInfo>() { public int compare(ProviderInfo p1, ProviderInfo p2) { final int v1 = p1.initOrder; final int v2 = p2.initOrder; return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); } }; private static final void sendPackageBroadcast(String action, String pkg, Bundle extras) { IActivityManager am = ActivityManagerNative.getDefault(); if (am != null) { try { final Intent intent = new Intent(action, pkg != null ? Uri.fromParts("package", pkg, null) : null); if (extras != null) { intent.putExtras(extras); } am.broadcastIntent( null, intent, null, null, 0, null, null, null, false, false); } catch (RemoteException ex) { } } } private final class AppDirObserver extends FileObserver { public AppDirObserver(String path, int mask, boolean isrom) { super(path, mask); mRootDir = path; mIsRom = isrom; } public void onEvent(int event, String path) { String removedPackage = null; int removedUid = -1; String addedPackage = null; int addedUid = -1; synchronized (mInstallLock) { String fullPathStr = null; File fullPath = null; if (path != null) { fullPath = new File(mRootDir, path); fullPathStr = fullPath.getPath(); } if (Config.LOGV) Log.v( TAG, "File " + fullPathStr + " changed: " + Integer.toHexString(event)); if (!isPackageFilename(path)) { if (Config.LOGV) Log.v( TAG, "Ignoring change of non-package file: " + fullPathStr); return; } if ((event&REMOVE_EVENTS) != 0) { synchronized (mInstallLock) { PackageParser.Package p = mAppDirs.get(fullPathStr); if (p != null) { removePackageLI(p, true); removedPackage = p.applicationInfo.packageName; removedUid = p.applicationInfo.uid; } } } if ((event&ADD_EVENTS) != 0) { PackageParser.Package p = mAppDirs.get(fullPathStr); if (p == null) { p = scanPackageLI(fullPath, fullPath, fullPath, (mIsRom ? PackageParser.PARSE_IS_SYSTEM : 0) | PackageParser.PARSE_CHATTY | PackageParser.PARSE_MUST_BE_APK, SCAN_MONITOR); if (p != null) { synchronized (mPackages) { grantPermissionsLP(p, false); } addedPackage = p.applicationInfo.packageName; addedUid = p.applicationInfo.uid; } } } synchronized (mPackages) { mSettings.writeLP(); } } if (removedPackage != null) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, removedUid); extras.putBoolean(Intent.EXTRA_DATA_REMOVED, false); sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras); } if (addedPackage != null) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, addedUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, addedPackage, extras); } } private final String mRootDir; private final boolean mIsRom; } /* Called when a downloaded package installation has been confirmed by the user */ public void installPackage( final Uri packageURI, final IPackageInstallObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.INSTALL_PACKAGES, null); // Queue up an async operation since the package installation may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); PackageInstalledInfo res; synchronized (mInstallLock) { res = installPackageLI(packageURI, flags, true); } if (observer != null) { try { observer.packageInstalled(res.name, res.returnCode); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } // There appears to be a subtle deadlock condition if the sendPackageBroadcast // call appears in the synchronized block above. if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { res.removedInfo.sendBroadcast(false, true); Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, res.uid); final boolean update = res.removedInfo.removedPackage != null; if (update) { extras.putBoolean(Intent.EXTRA_REPLACING, true); } sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, res.pkg.applicationInfo.packageName, extras); if (update) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, res.pkg.applicationInfo.packageName, extras); } } Runtime.getRuntime().gc(); } }); } class PackageInstalledInfo { String name; int uid; PackageParser.Package pkg; int returnCode; PackageRemovedInfo removedInfo; } /* * Install a non-existing package. */ private void installNewPackageLI(String pkgName, File tmpPackageFile, String destFilePath, File destPackageFile, File destResourceFile, PackageParser.Package pkg, boolean forwardLocked, boolean newInstall, PackageInstalledInfo res) { // Remember this for later, in case we need to rollback this install boolean dataDirExists = (new File(mAppDataDir, pkgName)).exists(); res.name = pkgName; synchronized(mPackages) { if (mPackages.containsKey(pkgName) || mAppDirs.containsKey(destFilePath)) { // Don't allow installation over an existing package with the same name. Log.w(TAG, "Attempt to re-install " + pkgName + " without first uninstalling."); res.returnCode = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; return; } } if (destPackageFile.exists()) { // It's safe to do this because we know (from the above check) that the file // isn't currently used for an installed package. destPackageFile.delete(); } mLastScanError = PackageManager.INSTALL_SUCCEEDED; PackageParser.Package newPackage = scanPackageLI(tmpPackageFile, destPackageFile, destResourceFile, pkg, 0, SCAN_MONITOR | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE | (forwardLocked ? SCAN_FORWARD_LOCKED : 0) | (newInstall ? SCAN_NEW_INSTALL : 0)); if (newPackage == null) { Log.w(TAG, "Package couldn't be installed in " + destPackageFile); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(pkgName, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, newPackage, true, forwardLocked, res); // delete the partially installed application. the data directory will have to be // restored if it was already existing if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. deletePackageLI( pkgName, true, dataDirExists ? PackageManager.DONT_DELETE_DATA : 0, res.removedInfo); } } } private void replacePackageLI(String pkgName, File tmpPackageFile, String destFilePath, File destPackageFile, File destResourceFile, PackageParser.Package pkg, boolean forwardLocked, boolean newInstall, PackageInstalledInfo res) { PackageParser.Package deletedPackage; // First find the old package info and check signatures synchronized(mPackages) { deletedPackage = mPackages.get(pkgName); if(checkSignaturesLP(pkg, deletedPackage) != PackageManager.SIGNATURE_MATCH) { res.returnCode = PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; return; } } boolean sysPkg = ((deletedPackage.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0); if(sysPkg) { replaceSystemPackageLI(deletedPackage, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, forwardLocked, newInstall, res); } else { replaceNonSystemPackageLI(deletedPackage, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, forwardLocked, newInstall, res); } } private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, File tmpPackageFile, String destFilePath, File destPackageFile, File destResourceFile, PackageParser.Package pkg, boolean forwardLocked, boolean newInstall, PackageInstalledInfo res) { PackageParser.Package newPackage = null; String pkgName = deletedPackage.packageName; boolean deletedPkg = true; boolean updatedSettings = false; int parseFlags = PackageManager.REPLACE_EXISTING_PACKAGE; // First delete the existing package while retaining the data directory if (!deletePackageLI(pkgName, false, PackageManager.DONT_DELETE_DATA, res.removedInfo)) { // If the existing package was'nt successfully deleted res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; deletedPkg = false; } else { // Successfully deleted the old package. Now proceed with re-installation mLastScanError = PackageManager.INSTALL_SUCCEEDED; newPackage = scanPackageLI(tmpPackageFile, destPackageFile, destResourceFile, pkg, parseFlags, SCAN_MONITOR | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE | (forwardLocked ? SCAN_FORWARD_LOCKED : 0) | (newInstall ? SCAN_NEW_INSTALL : 0)); if (newPackage == null) { Log.w(TAG, "Package couldn't be installed in " + destPackageFile); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(pkgName, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, newPackage, true, forwardLocked, res); updatedSettings = true; } } if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { // If we deleted an exisiting package, the old source and resource files that we // were keeping around in case we needed them (see below) can now be deleted final ApplicationInfo deletedPackageAppInfo = deletedPackage.applicationInfo; final ApplicationInfo installedPackageAppInfo = newPackage.applicationInfo; if (!deletedPackageAppInfo.sourceDir .equals(installedPackageAppInfo.sourceDir)) { new File(deletedPackageAppInfo.sourceDir).delete(); } if (!deletedPackageAppInfo.publicSourceDir .equals(installedPackageAppInfo.publicSourceDir)) { new File(deletedPackageAppInfo.publicSourceDir).delete(); } //update signature on the new package setting //this should always succeed, since we checked the //signature earlier. synchronized(mPackages) { verifySignaturesLP(mSettings.mPackages.get(pkgName), pkg, parseFlags, true); } } else { // remove package from internal structures. Note that we want deletePackageX to // delete the package data and cache directories that it created in // scanPackageLocked, unless those directories existed before we even tried to // install. if(updatedSettings) { deletePackageLI( pkgName, true, PackageManager.DONT_DELETE_DATA, res.removedInfo); } // Since we failed to install the new package we need to restore the old // package that we deleted. if(deletedPkg) { installPackageLI( Uri.fromFile(new File(deletedPackage.mPath)), isForwardLocked(deletedPackage) ? PackageManager.FORWARD_LOCK_PACKAGE : 0, false); } } } private void replaceSystemPackageLI(PackageParser.Package deletedPackage, File tmpPackageFile, String destFilePath, File destPackageFile, File destResourceFile, PackageParser.Package pkg, boolean forwardLocked, boolean newInstall, PackageInstalledInfo res) { PackageParser.Package newPackage = null; boolean updatedSettings = false; int parseFlags = PackageManager.REPLACE_EXISTING_PACKAGE | PackageParser.PARSE_IS_SYSTEM; String packageName = deletedPackage.packageName; res.returnCode = PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; if (packageName == null) { Log.w(TAG, "Attempt to delete null packageName."); return; } PackageParser.Package oldPkg; PackageSetting oldPkgSetting; synchronized (mPackages) { oldPkg = mPackages.get(packageName); oldPkgSetting = mSettings.mPackages.get(packageName); if((oldPkg == null) || (oldPkg.applicationInfo == null) || (oldPkgSetting == null)) { Log.w(TAG, "Could'nt find package:"+packageName+" information"); return; } } res.removedInfo.uid = oldPkg.applicationInfo.uid; res.removedInfo.removedPackage = packageName; // Remove existing system package removePackageLI(oldPkg, true); synchronized (mPackages) { res.removedInfo.removedUid = mSettings.disableSystemPackageLP(packageName); } // Successfully disabled the old package. Now proceed with re-installation mLastScanError = PackageManager.INSTALL_SUCCEEDED; pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; newPackage = scanPackageLI(tmpPackageFile, destPackageFile, destResourceFile, pkg, parseFlags, SCAN_MONITOR | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE | (forwardLocked ? SCAN_FORWARD_LOCKED : 0) | (newInstall ? SCAN_NEW_INSTALL : 0)); if (newPackage == null) { Log.w(TAG, "Package couldn't be installed in " + destPackageFile); if ((res.returnCode=mLastScanError) == PackageManager.INSTALL_SUCCEEDED) { res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; } } else { updateSettingsLI(packageName, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, newPackage, true, forwardLocked, res); updatedSettings = true; } if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { //update signature on the new package setting //this should always succeed, since we checked the //signature earlier. synchronized(mPackages) { verifySignaturesLP(mSettings.mPackages.get(packageName), pkg, parseFlags, true); } } else { // Re installation failed. Restore old information // Remove new pkg information removePackageLI(newPackage, true); // Add back the old system package scanPackageLI(oldPkgSetting.codePath, oldPkgSetting.codePath, oldPkgSetting.resourcePath, oldPkg, parseFlags, SCAN_MONITOR | SCAN_UPDATE_SIGNATURE); // Restore the old system information in Settings synchronized(mPackages) { if(updatedSettings) { mSettings.enableSystemPackageLP(packageName); } mSettings.writeLP(); } } } private void updateSettingsLI(String pkgName, File tmpPackageFile, String destFilePath, File destPackageFile, File destResourceFile, PackageParser.Package pkg, PackageParser.Package newPackage, boolean replacingExistingPackage, boolean forwardLocked, PackageInstalledInfo res) { synchronized (mPackages) { //write settings. the installStatus will be incomplete at this stage. //note that the new package setting would have already been //added to mPackages. It hasn't been persisted yet. mSettings.setInstallStatus(pkgName, PKG_INSTALL_INCOMPLETE); mSettings.writeLP(); } int retCode = 0; if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_HAS_CODE) != 0) { retCode = mInstaller.movedex(tmpPackageFile.toString(), destPackageFile.toString()); if (retCode != 0) { Log.e(TAG, "Couldn't rename dex file: " + destPackageFile); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; return; } } // XXX There are probably some big issues here: upon doing // the rename, we have reached the point of no return (the // original .apk is gone!), so we can't fail. Yet... we can. if (!tmpPackageFile.renameTo(destPackageFile)) { Log.e(TAG, "Couldn't move package file to: " + destPackageFile); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } else { res.returnCode = setPermissionsLI(pkgName, newPackage, destFilePath, destResourceFile, forwardLocked); if(res.returnCode != PackageManager.INSTALL_SUCCEEDED) { return; } else { Log.d(TAG, "New package installed in " + destPackageFile); } } if(res.returnCode != PackageManager.INSTALL_SUCCEEDED) { if (mInstaller != null) { mInstaller.rmdex(tmpPackageFile.getPath()); } } synchronized (mPackages) { grantPermissionsLP(newPackage, true); res.name = pkgName; res.uid = newPackage.applicationInfo.uid; res.pkg = newPackage; mSettings.setInstallStatus(pkgName, PKG_INSTALL_COMPLETE); res.returnCode = PackageManager.INSTALL_SUCCEEDED; //to update install status mSettings.writeLP(); } } private PackageInstalledInfo installPackageLI(Uri pPackageURI, int pFlags, boolean newInstall) { File tmpPackageFile = null; String pkgName = null; boolean forwardLocked = false; boolean replacingExistingPackage = false; // Result object to be returned PackageInstalledInfo res = new PackageInstalledInfo(); res.returnCode = PackageManager.INSTALL_SUCCEEDED; res.uid = -1; res.pkg = null; res.removedInfo = new PackageRemovedInfo(); main_flow: try { tmpPackageFile = createTempPackageFile(); if (tmpPackageFile == null) { res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; break main_flow; } tmpPackageFile.deleteOnExit(); // paranoia if (pPackageURI.getScheme().equals("file")) { final File srcPackageFile = new File(pPackageURI.getPath()); // We copy the source package file to a temp file and then rename it to the // destination file in order to eliminate a window where the package directory // scanner notices the new package file but it's not completely copied yet. if (!FileUtils.copyFile(srcPackageFile, tmpPackageFile)) { Log.e(TAG, "Couldn't copy package file to temp file."); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; break main_flow; } } else if (pPackageURI.getScheme().equals("content")) { ParcelFileDescriptor fd; try { fd = mContext.getContentResolver().openFileDescriptor(pPackageURI, "r"); } catch (FileNotFoundException e) { Log.e(TAG, "Couldn't open file descriptor from download service."); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; break main_flow; } if (fd == null) { Log.e(TAG, "Couldn't open file descriptor from download service (null)."); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; break main_flow; } if (Config.LOGV) { Log.v(TAG, "Opened file descriptor from download service."); } ParcelFileDescriptor.AutoCloseInputStream dlStream = new ParcelFileDescriptor.AutoCloseInputStream(fd); // We copy the source package file to a temp file and then rename it to the // destination file in order to eliminate a window where the package directory // scanner notices the new package file but it's not completely copied yet. if (!FileUtils.copyToFile(dlStream, tmpPackageFile)) { Log.e(TAG, "Couldn't copy package stream to temp file."); res.returnCode = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; break main_flow; } } else { Log.e(TAG, "Package URI is not 'file:' or 'content:' - " + pPackageURI); res.returnCode = PackageManager.INSTALL_FAILED_INVALID_URI; break main_flow; } pkgName = PackageParser.parsePackageName( tmpPackageFile.getAbsolutePath(), 0); if (pkgName == null) { Log.e(TAG, "Couldn't find a package name in : " + tmpPackageFile); res.returnCode = PackageManager.INSTALL_FAILED_INVALID_APK; break main_flow; } res.name = pkgName; //initialize some variables before installing pkg final String pkgFileName = pkgName + ".apk"; final File destDir = ((pFlags&PackageManager.FORWARD_LOCK_PACKAGE) != 0) ? mDrmAppPrivateInstallDir : mAppInstallDir; final File destPackageFile = new File(destDir, pkgFileName); final String destFilePath = destPackageFile.getAbsolutePath(); File destResourceFile; if ((pFlags&PackageManager.FORWARD_LOCK_PACKAGE) != 0) { final String publicZipFileName = pkgName + ".zip"; destResourceFile = new File(mAppInstallDir, publicZipFileName); forwardLocked = true; } else { destResourceFile = destPackageFile; } // Retrieve PackageSettings and parse package int parseFlags = PackageParser.PARSE_CHATTY; parseFlags |= mDefParseFlags; PackageParser pp = new PackageParser(tmpPackageFile.getPath()); pp.setSeparateProcesses(mSeparateProcesses); pp.setSdkVersion(mSdkVersion); final PackageParser.Package pkg = pp.parsePackage(tmpPackageFile, destPackageFile.getAbsolutePath(), mMetrics, parseFlags); if (pkg == null) { res.returnCode = pp.getParseError(); break main_flow; } if (GET_CERTIFICATES && !pp.collectCertificates(pkg, parseFlags)) { res.returnCode = pp.getParseError(); break main_flow; } synchronized (mPackages) { //check if installing already existing package if ((pFlags&PackageManager.REPLACE_EXISTING_PACKAGE) != 0 && mPackages.containsKey(pkgName)) { replacingExistingPackage = true; } } if(replacingExistingPackage) { replacePackageLI(pkgName, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, forwardLocked, newInstall, res); } else { installNewPackageLI(pkgName, tmpPackageFile, destFilePath, destPackageFile, destResourceFile, pkg, forwardLocked, newInstall, res); } } finally { if (tmpPackageFile != null && tmpPackageFile.exists()) { tmpPackageFile.delete(); } } return res; } private int setPermissionsLI(String pkgName, PackageParser.Package newPackage, String destFilePath, File destResourceFile, boolean forwardLocked) { int retCode; if (forwardLocked) { try { extractPublicFiles(newPackage, destResourceFile); } catch (IOException e) { Log.e(TAG, "Couldn't create a new zip file for the public parts of a" + " forward-locked app."); return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; } finally { //TODO clean up the extracted public files } if (mInstaller != null) { retCode = mInstaller.setForwardLockPerm(pkgName, newPackage.applicationInfo.uid); } else { final int filePermissions = FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP; retCode = FileUtils.setPermissions(destFilePath, filePermissions, -1, newPackage.applicationInfo.uid); } } else { final int filePermissions = FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP |FileUtils.S_IROTH; retCode = FileUtils.setPermissions(destFilePath, filePermissions, -1, -1); } if (retCode != 0) { Log.e(TAG, "Couldn't set new package file permissions for " + destFilePath + ". The return code was: " + retCode); } return PackageManager.INSTALL_SUCCEEDED; } private boolean isForwardLocked(PackageParser.Package deletedPackage) { final ApplicationInfo applicationInfo = deletedPackage.applicationInfo; return applicationInfo.sourceDir.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath()); } private void extractPublicFiles(PackageParser.Package newPackage, File publicZipFile) throws IOException { final ZipOutputStream publicZipOutStream = new ZipOutputStream(new FileOutputStream(publicZipFile)); final ZipFile privateZip = new ZipFile(newPackage.mPath); // Copy manifest, resources.arsc and res directory to public zip final Enumeration<? extends ZipEntry> privateZipEntries = privateZip.entries(); while (privateZipEntries.hasMoreElements()) { final ZipEntry zipEntry = privateZipEntries.nextElement(); final String zipEntryName = zipEntry.getName(); if ("AndroidManifest.xml".equals(zipEntryName) || "resources.arsc".equals(zipEntryName) || zipEntryName.startsWith("res/")) { try { copyZipEntry(zipEntry, privateZip, publicZipOutStream); } catch (IOException e) { try { publicZipOutStream.close(); throw e; } finally { publicZipFile.delete(); } } } } publicZipOutStream.close(); FileUtils.setPermissions( publicZipFile.getAbsolutePath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR|FileUtils.S_IRGRP|FileUtils.S_IROTH, -1, -1); } private static void copyZipEntry(ZipEntry zipEntry, ZipFile inZipFile, ZipOutputStream outZipStream) throws IOException { byte[] buffer = new byte[4096]; int num; ZipEntry newEntry; if (zipEntry.getMethod() == ZipEntry.STORED) { // Preserve the STORED method of the input entry. newEntry = new ZipEntry(zipEntry); } else { // Create a new entry so that the compressed len is recomputed. newEntry = new ZipEntry(zipEntry.getName()); } outZipStream.putNextEntry(newEntry); InputStream data = inZipFile.getInputStream(zipEntry); while ((num = data.read(buffer)) > 0) { outZipStream.write(buffer, 0, num); } outZipStream.flush(); } private void deleteTempPackageFiles() { FilenameFilter filter = new FilenameFilter() { public boolean accept(File dir, String name) { return name.startsWith("vmdl") && name.endsWith(".tmp"); } }; String tmpFilesList[] = mAppInstallDir.list(filter); if(tmpFilesList == null) { return; } for(int i = 0; i < tmpFilesList.length; i++) { File tmpFile = new File(mAppInstallDir, tmpFilesList[i]); tmpFile.delete(); } } private File createTempPackageFile() { File tmpPackageFile; try { tmpPackageFile = File.createTempFile("vmdl", ".tmp", mAppInstallDir); } catch (IOException e) { Log.e(TAG, "Couldn't create temp file for downloaded package file."); return null; } try { FileUtils.setPermissions( tmpPackageFile.getCanonicalPath(), FileUtils.S_IRUSR|FileUtils.S_IWUSR, -1, -1); } catch (IOException e) { Log.e(TAG, "Trouble getting the canoncical path for a temp file."); return null; } return tmpPackageFile; } public void deletePackage(final String packageName, final IPackageDeleteObserver observer, final int flags) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_PACKAGES, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeded = deletePackageX(packageName, true, true, flags); if (observer != null) { try { observer.packageDeleted(succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } //end catch } //end if } //end run }); } /** * This method is an internal method that could be get invoked either * to delete an installed package or to clean up a failed installation. * After deleting an installed package, a broadcast is sent to notify any * listeners that the package has been installed. For cleaning up a failed * installation, the broadcast is not necessary since the package's * installation wouldn't have sent the initial broadcast either * The key steps in deleting a package are * deleting the package information in internal structures like mPackages, * deleting the packages base directories through installd * updating mSettings to reflect current status * persisting settings for later use * sending a broadcast if necessary */ private boolean deletePackageX(String packageName, boolean sendBroadCast, boolean deleteCodeAndResources, int flags) { PackageRemovedInfo info = new PackageRemovedInfo(); boolean res; synchronized (mInstallLock) { res = deletePackageLI(packageName, deleteCodeAndResources, flags, info); } if(res && sendBroadCast) { boolean systemUpdate = info.isRemovedPackageSystemUpdate; info.sendBroadcast(deleteCodeAndResources, systemUpdate); // If the removed package was a system update, the old system packaged // was re-enabled; we need to broadcast this information if (systemUpdate) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, info.removedUid >= 0 ? info.removedUid : info.uid); extras.putBoolean(Intent.EXTRA_REPLACING, true); sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, extras); sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, extras); } } return res; } static class PackageRemovedInfo { String removedPackage; int uid = -1; int removedUid = -1; boolean isRemovedPackageSystemUpdate = false; void sendBroadcast(boolean fullRemove, boolean replacing) { Bundle extras = new Bundle(1); extras.putInt(Intent.EXTRA_UID, removedUid >= 0 ? removedUid : uid); extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); if (replacing) { extras.putBoolean(Intent.EXTRA_REPLACING, true); } if (removedPackage != null) { sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, extras); } if (removedUid >= 0) { sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras); } } } /* * This method deletes the package from internal data structures. If the DONT_DELETE_DATA * flag is not set, the data directory is removed as well. * make sure this flag is set for partially installed apps. If not its meaningless to * delete a partially installed application. */ private void removePackageDataLI(PackageParser.Package p, PackageRemovedInfo outInfo, int flags) { String packageName = p.packageName; outInfo.removedPackage = packageName; removePackageLI(p, true); // Retrieve object to delete permissions for shared user later on PackageSetting deletedPs; synchronized (mPackages) { deletedPs = mSettings.mPackages.get(packageName); } if ((flags&PackageManager.DONT_DELETE_DATA) == 0) { if (mInstaller != null) { int retCode = mInstaller.remove(packageName); if (retCode < 0) { Log.w(TAG, "Couldn't remove app data or cache directory for package: " + packageName + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } else { //for emulator PackageParser.Package pkg = mPackages.get(packageName); File dataDir = new File(pkg.applicationInfo.dataDir); dataDir.delete(); } synchronized (mPackages) { outInfo.removedUid = mSettings.removePackageLP(packageName); } } synchronized (mPackages) { if ( (deletedPs != null) && (deletedPs.sharedUser != null)) { // remove permissions associated with package mSettings.updateSharedUserPerms (deletedPs); } // Save settings now mSettings.writeLP (); } } /* * Tries to delete system package. */ private boolean deleteSystemPackageLI(PackageParser.Package p, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo) { ApplicationInfo applicationInfo = p.applicationInfo; //applicable for non-partially installed applications only if (applicationInfo == null) { Log.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } PackageSetting ps = null; // Confirm if the system package has been updated // An updated system app can be deleted. This will also have to restore // the system pkg from system partition synchronized (mPackages) { ps = mSettings.getDisabledSystemPkg(p.packageName); } if (ps == null) { Log.w(TAG, "Attempt to delete system package "+ p.packageName); return false; } else { Log.i(TAG, "Deleting system pkg from data partition"); } // Delete the updated package outInfo.isRemovedPackageSystemUpdate = true; boolean ret = deleteInstalledPackageLI(p, deleteCodeAndResources, flags, outInfo); if (!ret) { return false; } synchronized (mPackages) { // Reinstate the old system package mSettings.enableSystemPackageLP(p.packageName); } // Install the system package PackageParser.Package newPkg = scanPackageLI(ps.codePath, ps.codePath, ps.resourcePath, PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM, SCAN_MONITOR); if (newPkg == null) { Log.w(TAG, "Failed to restore system package:"+p.packageName+" with error:" + mLastScanError); return false; } synchronized (mPackages) { grantPermissionsLP(newPkg, true); mSettings.writeLP(); } return true; } private boolean deleteInstalledPackageLI(PackageParser.Package p, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo) { ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Log.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } // Delete application's source directory File sourceFile = new File(applicationInfo.sourceDir); if (!sourceFile.exists()) { Log.w(TAG, "Package source " + applicationInfo.sourceDir + " does not exist."); } outInfo.uid = applicationInfo.uid; // Delete package data from internal structures and also remove data if flag is set removePackageDataLI(p, outInfo, flags); // Delete application code and resources if (deleteCodeAndResources) { sourceFile.delete(); final File publicSourceFile = new File(applicationInfo.publicSourceDir); if (publicSourceFile.exists()) { publicSourceFile.delete(); } if (mInstaller != null) { int retCode = mInstaller.rmdex(sourceFile.toString()); if (retCode < 0) { Log.w(TAG, "Couldn't remove dex file for package: " + p.packageName + " at location " + sourceFile.toString() + ", retcode=" + retCode); // we don't consider this to be a failure of the core package deletion } } } return true; } /* * This method handles package deletion in general */ private boolean deletePackageLI(String packageName, boolean deleteCodeAndResources, int flags, PackageRemovedInfo outInfo) { if (packageName == null) { Log.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if (p == null) { //this retrieves partially installed apps dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if (ps == null) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } if (p == null) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } if (dataOnly) { // Delete application data first removePackageDataLI(p, outInfo, flags); return true; } // At this point the package should have ApplicationInfo associated with it if (p.applicationInfo == null) { Log.w(TAG, "Package " + p.packageName + " has no applicationInfo."); return false; } if ( (p.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { Log.i(TAG, "Removing system package:"+p.packageName); // When an updated system application is deleted we delete the existing resources as well and // fall back to existing code in system partition return deleteSystemPackageLI(p, true, flags, outInfo); } Log.i(TAG, "Removing non-system package:"+p.packageName); return deleteInstalledPackageLI (p, deleteCodeAndResources, flags, outInfo); } public void clearApplicationUserData(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.CLEAR_APP_USER_DATA, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeeded; synchronized (mInstallLock) { succeeded = clearApplicationUserDataLI(packageName); } if (succeeded) { // invoke DeviceStorageMonitor's update method to clear any notifications DeviceStorageMonitorService dsm = (DeviceStorageMonitorService) ServiceManager.getService(DeviceStorageMonitorService.SERVICE); if (dsm != null) { dsm.updateMemory(); } } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean clearApplicationUserDataLI(String packageName) { if (packageName == null) { Log.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } if(!dataOnly) { //need to check this only for fully installed applications if (p == null) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Log.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } } if (mInstaller != null) { int retCode = mInstaller.clearUserData(packageName); if (retCode < 0) { Log.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } } return true; } public void deleteApplicationCacheFiles(final String packageName, final IPackageDataObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.DELETE_CACHE_FILES, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); final boolean succeded; synchronized (mInstallLock) { succeded = deleteApplicationCacheFilesLI(packageName); } if(observer != null) { try { observer.onRemoveCompleted(packageName, succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean deleteApplicationCacheFilesLI(String packageName) { if (packageName == null) { Log.w(TAG, "Attempt to delete null packageName."); return false; } PackageParser.Package p; synchronized (mPackages) { p = mPackages.get(packageName); } if (p == null) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Log.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } if (mInstaller != null) { int retCode = mInstaller.deleteCacheFiles(packageName); if (retCode < 0) { Log.w(TAG, "Couldn't remove cache files for package: " + packageName); return false; } } return true; } public void getPackageSizeInfo(final String packageName, final IPackageStatsObserver observer) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.GET_PACKAGE_SIZE, null); // Queue up an async operation since the package deletion may take a little while. mHandler.post(new Runnable() { public void run() { mHandler.removeCallbacks(this); PackageStats lStats = new PackageStats(packageName); final boolean succeded; synchronized (mInstallLock) { succeded = getPackageSizeInfoLI(packageName, lStats); } if(observer != null) { try { observer.onGetStatsCompleted(lStats, succeded); } catch (RemoteException e) { Log.i(TAG, "Observer no longer exists."); } } //end if observer } //end run }); } private boolean getPackageSizeInfoLI(String packageName, PackageStats pStats) { if (packageName == null) { Log.w(TAG, "Attempt to get size of null packageName."); return false; } PackageParser.Package p; boolean dataOnly = false; synchronized (mPackages) { p = mPackages.get(packageName); if(p == null) { dataOnly = true; PackageSetting ps = mSettings.mPackages.get(packageName); if((ps == null) || (ps.pkg == null)) { Log.w(TAG, "Package named '" + packageName +"' doesn't exist."); return false; } p = ps.pkg; } } String publicSrcDir = null; if(!dataOnly) { final ApplicationInfo applicationInfo = p.applicationInfo; if (applicationInfo == null) { Log.w(TAG, "Package " + packageName + " has no applicationInfo."); return false; } publicSrcDir = isForwardLocked(p) ? applicationInfo.publicSourceDir : null; } if (mInstaller != null) { int res = mInstaller.getSizeInfo(packageName, p.mPath, publicSrcDir, pStats); if (res < 0) { return false; } else { return true; } } return true; } public void addPackageToPreferred(String packageName) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (p == null) { return; } PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { mSettings.mPreferredPackages.remove(ps); mSettings.mPreferredPackages.add(0, ps); updatePreferredIndicesLP(); mSettings.writeLP(); } } } public void removePackageFromPreferred(String packageName) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); synchronized (mPackages) { PackageParser.Package p = mPackages.get(packageName); if (p == null) { return; } if (p.mPreferredOrder > 0) { PackageSetting ps = (PackageSetting)p.mExtras; if (ps != null) { mSettings.mPreferredPackages.remove(ps); p.mPreferredOrder = 0; updatePreferredIndicesLP(); mSettings.writeLP(); } } } } private void updatePreferredIndicesLP() { final ArrayList<PackageSetting> pkgs = mSettings.mPreferredPackages; final int N = pkgs.size(); for (int i=0; i<N; i++) { pkgs.get(i).pkg.mPreferredOrder = N - i; } } public List<PackageInfo> getPreferredPackages(int flags) { synchronized (mPackages) { final ArrayList<PackageInfo> res = new ArrayList<PackageInfo>(); final ArrayList<PackageSetting> pref = mSettings.mPreferredPackages; final int N = pref.size(); for (int i=0; i<N; i++) { res.add(generatePackageInfo(pref.get(i).pkg, flags)); } return res; } } public void addPreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); synchronized (mPackages) { Log.i(TAG, "Adding preferred activity " + activity + ":"); filter.dump(new LogPrinter(Log.INFO, TAG), " "); mSettings.mPreferredActivities.addFilter( new PreferredActivity(filter, match, set, activity)); mSettings.writeLP(); } } public void clearPackagePreferredActivities(String packageName) { mContext.enforceCallingOrSelfPermission( android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); synchronized (mPackages) { if (clearPackagePreferredActivitiesLP(packageName)) { mSettings.writeLP(); } } } boolean clearPackagePreferredActivitiesLP(String packageName) { boolean changed = false; Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); if (pa.mActivity.getPackageName().equals(packageName)) { it.remove(); changed = true; } } return changed; } public int getPreferredActivities(List<IntentFilter> outFilters, List<ComponentName> outActivities, String packageName) { int num = 0; synchronized (mPackages) { Iterator<PreferredActivity> it = mSettings.mPreferredActivities.filterIterator(); while (it.hasNext()) { PreferredActivity pa = it.next(); if (packageName == null || pa.mActivity.getPackageName().equals(packageName)) { if (outFilters != null) { outFilters.add(new IntentFilter(pa)); } if (outActivities != null) { outActivities.add(pa.mActivity); } } } } return num; } public void setApplicationEnabledSetting(String appPackageName, int newState, int flags) { setEnabledSetting(appPackageName, null, newState, flags); } public void setComponentEnabledSetting(ComponentName componentName, int newState, int flags) { setEnabledSetting(componentName.getPackageName(), componentName.getClassName(), newState, flags); } private void setEnabledSetting( final String packageNameStr, String classNameStr, int newState, final int flags) { if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT || newState == COMPONENT_ENABLED_STATE_ENABLED || newState == COMPONENT_ENABLED_STATE_DISABLED)) { throw new IllegalArgumentException("Invalid new component state: " + newState); } PackageSetting pkgSetting; final int uid = Binder.getCallingUid(); final int permission = mContext.checkCallingPermission( android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); int packageUid = -1; synchronized (mPackages) { pkgSetting = mSettings.mPackages.get(packageNameStr); if (pkgSetting == null) { if (classNameStr == null) { throw new IllegalArgumentException( "Unknown package: " + packageNameStr); } throw new IllegalArgumentException( "Unknown component: " + packageNameStr + "/" + classNameStr); } if (!allowedByPermission && (uid != pkgSetting.userId)) { throw new SecurityException( "Permission Denial: attempt to change component state from pid=" + Binder.getCallingPid() + ", uid=" + uid + ", package uid=" + pkgSetting.userId); } packageUid = pkgSetting.userId; if (classNameStr == null) { // We're dealing with an application/package level state change pkgSetting.enabled = newState; } else { // We're dealing with a component level state change switch (newState) { case COMPONENT_ENABLED_STATE_ENABLED: pkgSetting.enableComponentLP(classNameStr); break; case COMPONENT_ENABLED_STATE_DISABLED: pkgSetting.disableComponentLP(classNameStr); break; case COMPONENT_ENABLED_STATE_DEFAULT: pkgSetting.restoreComponentLP(classNameStr); break; default: Log.e(TAG, "Invalid new component state: " + newState); } } mSettings.writeLP(); } long callingId = Binder.clearCallingIdentity(); try { Bundle extras = new Bundle(2); extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, (flags&PackageManager.DONT_KILL_APP) != 0); extras.putInt(Intent.EXTRA_UID, packageUid); sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageNameStr, extras); } finally { Binder.restoreCallingIdentity(callingId); } } public int getApplicationEnabledSetting(String appPackageName) { synchronized (mPackages) { PackageSetting pkg = mSettings.mPackages.get(appPackageName); if (pkg == null) { throw new IllegalArgumentException("Unknown package: " + appPackageName); } return pkg.enabled; } } public int getComponentEnabledSetting(ComponentName componentName) { synchronized (mPackages) { final String packageNameStr = componentName.getPackageName(); PackageSetting pkg = mSettings.mPackages.get(packageNameStr); if (pkg == null) { throw new IllegalArgumentException("Unknown component: " + componentName); } final String classNameStr = componentName.getClassName(); return pkg.currentEnabledStateLP(classNameStr); } } public void enterSafeMode() { if (!mSystemReady) { mSafeMode = true; } } public void systemReady() { mSystemReady = true; } public boolean isSafeMode() { return mSafeMode; } public boolean hasSystemUidErrors() { return mHasSystemUidErrors; } static String arrayToString(int[] array) { StringBuffer buf = new StringBuffer(128); buf.append('['); if (array != null) { for (int i=0; i<array.length; i++) { if (i > 0) buf.append(", "); buf.append(array[i]); } } buf.append(']'); return buf.toString(); } @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) { pw.println("Permission Denial: can't dump ActivityManager from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid() + " without permission " + android.Manifest.permission.DUMP); return; } Printer printer = new PrintWriterPrinter(pw); synchronized (mPackages) { pw.println("Activity Resolver Table:"); mActivities.dump(printer, " "); pw.println(" "); pw.println("Receiver Resolver Table:"); mReceivers.dump(printer, " "); pw.println(" "); pw.println("Service Resolver Table:"); mServices.dump(printer, " "); pw.println(" "); pw.println("Preferred Activities:"); mSettings.mPreferredActivities.dump(printer, " "); pw.println(" "); pw.println("Preferred Packages:"); { for (PackageSetting ps : mSettings.mPreferredPackages) { pw.println(" " + ps.name); } } pw.println(" "); pw.println("Permissions:"); { for (BasePermission p : mSettings.mPermissions.values()) { pw.println(" Permission [" + p.name + "] (" + Integer.toHexString(System.identityHashCode(p)) + "):"); pw.println(" sourcePackage=" + p.sourcePackage); pw.println(" uid=" + p.uid + " gids=" + arrayToString(p.gids) + " type=" + p.type); } } pw.println(" "); pw.println("Packages:"); { for (PackageSetting ps : mSettings.mPackages.values()) { pw.println(" Package [" + ps.name + "] (" + Integer.toHexString(System.identityHashCode(ps)) + "):"); pw.println(" userId=" + ps.userId + " gids=" + arrayToString(ps.gids)); pw.println(" sharedUser=" + ps.sharedUser); pw.println(" pkg=" + ps.pkg); pw.println(" codePath=" + ps.codePathString); pw.println(" resourcePath=" + ps.resourcePathString); if (ps.pkg != null) { pw.println(" dataDir=" + ps.pkg.applicationInfo.dataDir); } pw.println(" timeStamp=" + ps.getTimeStampStr()); pw.println(" signatures=" + ps.signatures); pw.println(" permissionsFixed=" + ps.permissionsFixed + " pkgFlags=0x" + Integer.toHexString(ps.pkgFlags) + " installStatus=" + ps.installStatus + " enabled=" + ps.enabled); if (ps.disabledComponents.size() > 0) { pw.println(" disabledComponents:"); for (String s : ps.disabledComponents) { pw.println(" " + s); } } if (ps.enabledComponents.size() > 0) { pw.println(" enabledComponents:"); for (String s : ps.enabledComponents) { pw.println(" " + s); } } pw.println(" grantedPermissions:"); for (String s : ps.grantedPermissions) { pw.println(" " + s); } pw.println(" loadedPermissions:"); for (String s : ps.loadedPermissions) { pw.println(" " + s); } } } pw.println(" "); pw.println("Shared Users:"); { for (SharedUserSetting su : mSettings.mSharedUsers.values()) { pw.println(" SharedUser [" + su.name + "] (" + Integer.toHexString(System.identityHashCode(su)) + "):"); pw.println(" userId=" + su.userId + " gids=" + arrayToString(su.gids)); pw.println(" grantedPermissions:"); for (String s : su.grantedPermissions) { pw.println(" " + s); } pw.println(" loadedPermissions:"); for (String s : su.loadedPermissions) { pw.println(" " + s); } } } pw.println(" "); pw.println("Settings parse messages:"); pw.println(mSettings.mReadMessages.toString()); } } static final class BasePermission { final static int TYPE_NORMAL = 0; final static int TYPE_BUILTIN = 1; final static int TYPE_DYNAMIC = 2; final String name; final String sourcePackage; final int type; PackageParser.Permission perm; PermissionInfo pendingInfo; int uid; int[] gids; BasePermission(String _name, String _sourcePackage, int _type) { name = _name; sourcePackage = _sourcePackage; type = _type; } } static class PackageSignatures { private Signature[] mSignatures; PackageSignatures(Signature[] sigs) { assignSignatures(sigs); } PackageSignatures() { } void writeXml(XmlSerializer serializer, String tagName, ArrayList<Signature> pastSignatures) throws IOException { if (mSignatures == null) { return; } serializer.startTag(null, tagName); serializer.attribute(null, "count", Integer.toString(mSignatures.length)); for (int i=0; i<mSignatures.length; i++) { serializer.startTag(null, "cert"); final Signature sig = mSignatures[i]; final int sigHash = sig.hashCode(); final int numPast = pastSignatures.size(); int j; for (j=0; j<numPast; j++) { Signature pastSig = pastSignatures.get(j); if (pastSig.hashCode() == sigHash && pastSig.equals(sig)) { serializer.attribute(null, "index", Integer.toString(j)); break; } } if (j >= numPast) { pastSignatures.add(sig); serializer.attribute(null, "index", Integer.toString(numPast)); serializer.attribute(null, "key", sig.toCharsString()); } serializer.endTag(null, "cert"); } serializer.endTag(null, tagName); } void readXml(XmlPullParser parser, ArrayList<Signature> pastSignatures) throws IOException, XmlPullParserException { String countStr = parser.getAttributeValue(null, "count"); if (countStr == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: <signatures> has" + " no count at " + parser.getPositionDescription()); XmlUtils.skipCurrentTag(parser); } final int count = Integer.parseInt(countStr); mSignatures = new Signature[count]; int pos = 0; int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("cert")) { if (pos < count) { String index = parser.getAttributeValue(null, "index"); if (index != null) { try { int idx = Integer.parseInt(index); String key = parser.getAttributeValue(null, "key"); if (key == null) { if (idx >= 0 && idx < pastSignatures.size()) { Signature sig = pastSignatures.get(idx); if (sig != null) { mSignatures[pos] = pastSignatures.get(idx); pos++; } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <cert> " + "index " + index + " is not defined at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <cert> " + "index " + index + " is out of bounds at " + parser.getPositionDescription()); } } else { while (pastSignatures.size() <= idx) { pastSignatures.add(null); } Signature sig = new Signature(key); pastSignatures.set(idx, sig); mSignatures[pos] = sig; pos++; } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: <cert> " + "index " + index + " is not a number at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <cert> has" + " no index at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: too " + "many <cert> tags, expected " + count + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <cert>: " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } if (pos < count) { // Should never happen -- there is an error in the written // settings -- but if it does we don't want to generate // a bad array. Signature[] newSigs = new Signature[pos]; System.arraycopy(mSignatures, 0, newSigs, 0, pos); mSignatures = newSigs; } } /** * If any of the given 'sigs' is contained in the existing signatures, * then completely replace the current signatures with the ones in * 'sigs'. This is used for updating an existing package to a newly * installed version. */ boolean updateSignatures(Signature[] sigs, boolean update) { if (mSignatures == null) { if (update) { assignSignatures(sigs); } return true; } if (sigs == null) { return false; } for (int i=0; i<sigs.length; i++) { Signature sig = sigs[i]; for (int j=0; j<mSignatures.length; j++) { if (mSignatures[j].equals(sig)) { if (update) { assignSignatures(sigs); } return true; } } } return false; } /** * If any of the given 'sigs' is contained in the existing signatures, * then add in any new signatures found in 'sigs'. This is used for * including a new package into an existing shared user id. */ boolean mergeSignatures(Signature[] sigs, boolean update) { if (mSignatures == null) { if (update) { assignSignatures(sigs); } return true; } if (sigs == null) { return false; } Signature[] added = null; int addedCount = 0; boolean haveMatch = false; for (int i=0; i<sigs.length; i++) { Signature sig = sigs[i]; boolean found = false; for (int j=0; j<mSignatures.length; j++) { if (mSignatures[j].equals(sig)) { found = true; haveMatch = true; break; } } if (!found) { if (added == null) { added = new Signature[sigs.length]; } added[i] = sig; addedCount++; } } if (!haveMatch) { // Nothing matched -- reject the new signatures. return false; } if (added == null) { // Completely matched -- nothing else to do. return true; } // Add additional signatures in. if (update) { Signature[] total = new Signature[addedCount+mSignatures.length]; System.arraycopy(mSignatures, 0, total, 0, mSignatures.length); int j = mSignatures.length; for (int i=0; i<added.length; i++) { if (added[i] != null) { total[j] = added[i]; j++; } } mSignatures = total; } return true; } private void assignSignatures(Signature[] sigs) { if (sigs == null) { mSignatures = null; return; } mSignatures = new Signature[sigs.length]; for (int i=0; i<sigs.length; i++) { mSignatures[i] = sigs[i]; } } @Override public String toString() { StringBuffer buf = new StringBuffer(128); buf.append("PackageSignatures{"); buf.append(Integer.toHexString(System.identityHashCode(this))); buf.append(" ["); if (mSignatures != null) { for (int i=0; i<mSignatures.length; i++) { if (i > 0) buf.append(", "); buf.append(Integer.toHexString( System.identityHashCode(mSignatures[i]))); } } buf.append("]}"); return buf.toString(); } } static class PreferredActivity extends IntentFilter { final int mMatch; final String[] mSetPackages; final String[] mSetClasses; final String[] mSetComponents; final ComponentName mActivity; final String mShortActivity; String mParseError; PreferredActivity(IntentFilter filter, int match, ComponentName[] set, ComponentName activity) { super(filter); mMatch = match&IntentFilter.MATCH_CATEGORY_MASK; mActivity = activity; mShortActivity = activity.flattenToShortString(); mParseError = null; if (set != null) { final int N = set.length; String[] myPackages = new String[N]; String[] myClasses = new String[N]; String[] myComponents = new String[N]; for (int i=0; i<N; i++) { ComponentName cn = set[i]; if (cn == null) { mSetPackages = null; mSetClasses = null; mSetComponents = null; return; } myPackages[i] = cn.getPackageName().intern(); myClasses[i] = cn.getClassName().intern(); myComponents[i] = cn.flattenToShortString().intern(); } mSetPackages = myPackages; mSetClasses = myClasses; mSetComponents = myComponents; } else { mSetPackages = null; mSetClasses = null; mSetComponents = null; } } PreferredActivity(XmlPullParser parser) throws XmlPullParserException, IOException { mShortActivity = parser.getAttributeValue(null, "name"); mActivity = ComponentName.unflattenFromString(mShortActivity); if (mActivity == null) { mParseError = "Bad activity name " + mShortActivity; } String matchStr = parser.getAttributeValue(null, "match"); mMatch = matchStr != null ? Integer.parseInt(matchStr, 16) : 0; String setCountStr = parser.getAttributeValue(null, "set"); int setCount = setCountStr != null ? Integer.parseInt(setCountStr) : 0; String[] myPackages = setCount > 0 ? new String[setCount] : null; String[] myClasses = setCount > 0 ? new String[setCount] : null; String[] myComponents = setCount > 0 ? new String[setCount] : null; int setPos = 0; int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); //Log.i(TAG, "Parse outerDepth=" + outerDepth + " depth=" // + parser.getDepth() + " tag=" + tagName); if (tagName.equals("set")) { String name = parser.getAttributeValue(null, "name"); if (name == null) { if (mParseError == null) { mParseError = "No name in set tag in preferred activity " + mShortActivity; } } else if (setPos >= setCount) { if (mParseError == null) { mParseError = "Too many set tags in preferred activity " + mShortActivity; } } else { ComponentName cn = ComponentName.unflattenFromString(name); if (cn == null) { if (mParseError == null) { mParseError = "Bad set name " + name + " in preferred activity " + mShortActivity; } } else { myPackages[setPos] = cn.getPackageName(); myClasses[setPos] = cn.getClassName(); myComponents[setPos] = name; setPos++; } } XmlUtils.skipCurrentTag(parser); } else if (tagName.equals("filter")) { //Log.i(TAG, "Starting to parse filter..."); readFromXml(parser); //Log.i(TAG, "Finished filter: outerDepth=" + outerDepth + " depth=" // + parser.getDepth() + " tag=" + parser.getName()); } else { reportSettingsProblem(Log.WARN, "Unknown element under <preferred-activities>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } if (setPos != setCount) { if (mParseError == null) { mParseError = "Not enough set tags (expected " + setCount + " but found " + setPos + ") in " + mShortActivity; } } mSetPackages = myPackages; mSetClasses = myClasses; mSetComponents = myComponents; } public void writeToXml(XmlSerializer serializer) throws IOException { final int NS = mSetClasses != null ? mSetClasses.length : 0; serializer.attribute(null, "name", mShortActivity); serializer.attribute(null, "match", Integer.toHexString(mMatch)); serializer.attribute(null, "set", Integer.toString(NS)); for (int s=0; s<NS; s++) { serializer.startTag(null, "set"); serializer.attribute(null, "name", mSetComponents[s]); serializer.endTag(null, "set"); } serializer.startTag(null, "filter"); super.writeToXml(serializer); serializer.endTag(null, "filter"); } boolean sameSet(List<ResolveInfo> query, int priority) { if (mSetPackages == null) return false; final int NQ = query.size(); final int NS = mSetPackages.length; int numMatch = 0; for (int i=0; i<NQ; i++) { ResolveInfo ri = query.get(i); if (ri.priority != priority) continue; ActivityInfo ai = ri.activityInfo; boolean good = false; for (int j=0; j<NS; j++) { if (mSetPackages[j].equals(ai.packageName) && mSetClasses[j].equals(ai.name)) { numMatch++; good = true; break; } } if (!good) return false; } return numMatch == NS; } } static class GrantedPermissions { final int pkgFlags; HashSet<String> grantedPermissions = new HashSet<String>(); int[] gids; HashSet<String> loadedPermissions = new HashSet<String>(); GrantedPermissions(int pkgFlags) { this.pkgFlags = pkgFlags & ApplicationInfo.FLAG_SYSTEM; } } /** * Settings base class for pending and resolved classes. */ static class PackageSettingBase extends GrantedPermissions { final String name; final File codePath; final String codePathString; final File resourcePath; final String resourcePathString; private long timeStamp; private String timeStampString = "0"; PackageSignatures signatures = new PackageSignatures(); boolean permissionsFixed; /* Explicitly disabled components */ HashSet<String> disabledComponents = new HashSet<String>(0); /* Explicitly enabled components */ HashSet<String> enabledComponents = new HashSet<String>(0); int enabled = COMPONENT_ENABLED_STATE_DEFAULT; int installStatus = PKG_INSTALL_COMPLETE; PackageSettingBase(String name, File codePath, File resourcePath, int pkgFlags) { super(pkgFlags); this.name = name; this.codePath = codePath; this.codePathString = codePath.toString(); this.resourcePath = resourcePath; this.resourcePathString = resourcePath.toString(); } public void setInstallStatus(int newStatus) { installStatus = newStatus; } public int getInstallStatus() { return installStatus; } public void setTimeStamp(long newStamp) { if (newStamp != timeStamp) { timeStamp = newStamp; timeStampString = Long.toString(newStamp); } } public void setTimeStamp(long newStamp, String newStampStr) { timeStamp = newStamp; timeStampString = newStampStr; } public long getTimeStamp() { return timeStamp; } public String getTimeStampStr() { return timeStampString; } public void copyFrom(PackageSettingBase base) { grantedPermissions = base.grantedPermissions; gids = base.gids; loadedPermissions = base.loadedPermissions; timeStamp = base.timeStamp; timeStampString = base.timeStampString; signatures = base.signatures; permissionsFixed = base.permissionsFixed; disabledComponents = base.disabledComponents; enabledComponents = base.enabledComponents; enabled = base.enabled; installStatus = base.installStatus; } void enableComponentLP(String componentClassName) { disabledComponents.remove(componentClassName); enabledComponents.add(componentClassName); } void disableComponentLP(String componentClassName) { enabledComponents.remove(componentClassName); disabledComponents.add(componentClassName); } void restoreComponentLP(String componentClassName) { enabledComponents.remove(componentClassName); disabledComponents.remove(componentClassName); } int currentEnabledStateLP(String componentName) { if (enabledComponents.contains(componentName)) { return COMPONENT_ENABLED_STATE_ENABLED; } else if (disabledComponents.contains(componentName)) { return COMPONENT_ENABLED_STATE_DISABLED; } else { return COMPONENT_ENABLED_STATE_DEFAULT; } } } /** * Settings data for a particular package we know about. */ static final class PackageSetting extends PackageSettingBase { int userId; PackageParser.Package pkg; SharedUserSetting sharedUser; PackageSetting(String name, File codePath, File resourcePath, int pkgFlags) { super(name, codePath, resourcePath, pkgFlags); } @Override public String toString() { return "PackageSetting{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "/" + userId + "}"; } } /** * Settings data for a particular shared user ID we know about. */ static final class SharedUserSetting extends GrantedPermissions { final String name; int userId; final HashSet<PackageSetting> packages = new HashSet<PackageSetting>(); final PackageSignatures signatures = new PackageSignatures(); SharedUserSetting(String _name, int _pkgFlags) { super(_pkgFlags); name = _name; } @Override public String toString() { return "SharedUserSetting{" + Integer.toHexString(System.identityHashCode(this)) + " " + name + "/" + userId + "}"; } } /** * Holds information about dynamic settings. */ private static final class Settings { private final File mSettingsFilename; private final File mBackupSettingsFilename; private final HashMap<String, PackageSetting> mPackages = new HashMap<String, PackageSetting>(); // The user's preferred packages/applications, in order of preference. // First is the most preferred. private final ArrayList<PackageSetting> mPreferredPackages = new ArrayList<PackageSetting>(); // List of replaced system applications final HashMap<String, PackageSetting> mDisabledSysPackages = new HashMap<String, PackageSetting>(); // The user's preferred activities associated with particular intent // filters. private final IntentResolver<PreferredActivity, PreferredActivity> mPreferredActivities = new IntentResolver<PreferredActivity, PreferredActivity>() { @Override protected void dumpFilter(Printer out, String prefix, PreferredActivity filter) { out.println(prefix + Integer.toHexString(System.identityHashCode(filter)) + " " + filter.mActivity.flattenToShortString() + " match=0x" + Integer.toHexString(filter.mMatch)); if (filter.mSetComponents != null) { out.println(prefix + " Selected from:"); for (int i=0; i<filter.mSetComponents.length; i++) { out.println(prefix + " " + filter.mSetComponents[i]); } } } }; private final HashMap<String, SharedUserSetting> mSharedUsers = new HashMap<String, SharedUserSetting>(); private final ArrayList<Object> mUserIds = new ArrayList<Object>(); private final SparseArray<Object> mOtherUserIds = new SparseArray<Object>(); // For reading/writing settings file. private final ArrayList<Signature> mPastSignatures = new ArrayList<Signature>(); // Mapping from permission names to info about them. final HashMap<String, BasePermission> mPermissions = new HashMap<String, BasePermission>(); // Mapping from permission tree names to info about them. final HashMap<String, BasePermission> mPermissionTrees = new HashMap<String, BasePermission>(); private final ArrayList<String> mPendingPreferredPackages = new ArrayList<String>(); private final StringBuilder mReadMessages = new StringBuilder(); private static final class PendingPackage extends PackageSettingBase { final int sharedId; PendingPackage(String name, File codePath, File resourcePath, int sharedId, int pkgFlags) { super(name, codePath, resourcePath, pkgFlags); this.sharedId = sharedId; } } private final ArrayList<PendingPackage> mPendingPackages = new ArrayList<PendingPackage>(); Settings() { File dataDir = Environment.getDataDirectory(); File systemDir = new File(dataDir, "system"); systemDir.mkdirs(); FileUtils.setPermissions(systemDir.toString(), FileUtils.S_IRWXU|FileUtils.S_IRWXG |FileUtils.S_IROTH|FileUtils.S_IXOTH, -1, -1); mSettingsFilename = new File(systemDir, "packages.xml"); mBackupSettingsFilename = new File(systemDir, "packages-backup.xml"); } PackageSetting getPackageLP(PackageParser.Package pkg, SharedUserSetting sharedUser, File codePath, File resourcePath, int pkgFlags, boolean create, boolean add) { final String name = pkg.packageName; PackageSetting p = getPackageLP(name, sharedUser, codePath, resourcePath, pkgFlags, create, add); if (p != null) { p.pkg = pkg; } return p; } PackageSetting peekPackageLP(String name, String codePath) { PackageSetting p = mPackages.get(name); if (p != null && p.codePath.getPath().equals(codePath)) { return p; } return null; } void setInstallStatus(String pkgName, int status) { PackageSetting p = mPackages.get(pkgName); if(p != null) { if(p.getInstallStatus() != status) { p.setInstallStatus(status); } } } int getInstallStatus(String pkgName) { PackageSetting p = mPackages.get(pkgName); if(p != null) { return p.getInstallStatus(); } return -1; } SharedUserSetting getSharedUserLP(String name, int pkgFlags, boolean create) { SharedUserSetting s = mSharedUsers.get(name); if (s == null) { if (!create) { return null; } s = new SharedUserSetting(name, pkgFlags); if (MULTIPLE_APPLICATION_UIDS) { s.userId = newUserIdLP(s); } else { s.userId = FIRST_APPLICATION_UID; } Log.i(TAG, "New shared user " + name + ": id=" + s.userId); // < 0 means we couldn't assign a userid; fall out and return // s, which is currently null if (s.userId >= 0) { mSharedUsers.put(name, s); } } return s; } int disableSystemPackageLP(String name) { PackageSetting p = mPackages.get(name); if(p == null) { Log.w(TAG, "Package:"+name+" is not an installed package"); return -1; } PackageSetting dp = mDisabledSysPackages.get(name); // always make sure the system package code and resource paths dont change if(dp == null) { if((p.pkg != null) && (p.pkg.applicationInfo != null)) { p.pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } mDisabledSysPackages.put(name, p); } return removePackageLP(name); } PackageSetting enableSystemPackageLP(String name) { PackageSetting p = mDisabledSysPackages.get(name); if(p == null) { Log.w(TAG, "Package:"+name+" is not disabled"); return null; } // Reset flag in ApplicationInfo object if((p.pkg != null) && (p.pkg.applicationInfo != null)) { p.pkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; } PackageSetting ret = addPackageLP(name, p.codePath, p.resourcePath, p.userId, p.pkgFlags); mDisabledSysPackages.remove(name); return ret; } PackageSetting addPackageLP(String name, File codePath, File resourcePath, int uid, int pkgFlags) { PackageSetting p = mPackages.get(name); if (p != null) { if (p.userId == uid) { return p; } reportSettingsProblem(Log.ERROR, "Adding duplicate package, keeping first: " + name); return null; } p = new PackageSetting(name, codePath, resourcePath, pkgFlags); p.userId = uid; if (addUserIdLP(uid, p, name)) { mPackages.put(name, p); return p; } return null; } SharedUserSetting addSharedUserLP(String name, int uid, int pkgFlags) { SharedUserSetting s = mSharedUsers.get(name); if (s != null) { if (s.userId == uid) { return s; } reportSettingsProblem(Log.ERROR, "Adding duplicate shared user, keeping first: " + name); return null; } s = new SharedUserSetting(name, pkgFlags); s.userId = uid; if (addUserIdLP(uid, s, name)) { mSharedUsers.put(name, s); return s; } return null; } private PackageSetting getPackageLP(String name, SharedUserSetting sharedUser, File codePath, File resourcePath, int pkgFlags, boolean create, boolean add) { PackageSetting p = mPackages.get(name); if (p != null) { if (!p.codePath.equals(codePath)) { // Check to see if its a disabled system app PackageSetting ps = mDisabledSysPackages.get(name); if((ps != null) && ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0)) { // Could be a replaced system package // Note that if the user replaced a system app, the user has to physically // delete the new one in order to revert to the system app. So even // if the user updated the system app via an update, the user still // has to delete the one installed in the data partition in order to pick up the // new system package. return p; } else if ((p.pkg != null) && (p.pkg.applicationInfo != null) && ((p.pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0)) { // Check for non-system apps reportSettingsProblem(Log.WARN, "Package " + name + " codePath changed from " + p.codePath + " to " + codePath + "; Retaining data and using new code"); } else { reportSettingsProblem(Log.WARN, "Package " + name + " codePath changed from " + p.codePath + " to " + codePath + "; replacing with new"); p = null; } } else if (p.sharedUser != sharedUser) { reportSettingsProblem(Log.WARN, "Package " + name + " shared user changed from " + (p.sharedUser != null ? p.sharedUser.name : "<nothing>") + " to " + (sharedUser != null ? sharedUser.name : "<nothing>") + "; replacing with new"); p = null; } } if (p == null) { // Create a new PackageSettings entry. this can end up here because // of code path mismatch or user id mismatch of an updated system partition if (!create) { return null; } p = new PackageSetting(name, codePath, resourcePath, pkgFlags); p.setTimeStamp(codePath.lastModified()); p.sharedUser = sharedUser; if (sharedUser != null) { p.userId = sharedUser.userId; } else if (MULTIPLE_APPLICATION_UIDS) { p.userId = newUserIdLP(p); } else { p.userId = FIRST_APPLICATION_UID; } if (p.userId < 0) { reportSettingsProblem(Log.WARN, "Package " + name + " could not be assigned a valid uid"); return null; } if (add) { // Finish adding new package by adding it and updating shared // user preferences insertPackageSettingLP(p, name, sharedUser); } } return p; } // Utility method that adds a PackageSetting to mPackages and // completes updating the shared user attributes private void insertPackageSettingLP(PackageSetting p, String name, SharedUserSetting sharedUser) { mPackages.put(name, p); if (sharedUser != null) { if (p.sharedUser != null && p.sharedUser != sharedUser) { reportSettingsProblem(Log.ERROR, "Package " + p.name + " was user " + p.sharedUser + " but is now " + sharedUser + "; I am not changing its files so it will probably fail!"); p.sharedUser.packages.remove(p); } else if (p.userId != sharedUser.userId) { reportSettingsProblem(Log.ERROR, "Package " + p.name + " was user id " + p.userId + " but is now user " + sharedUser + " with id " + sharedUser.userId + "; I am not changing its files so it will probably fail!"); } sharedUser.packages.add(p); p.sharedUser = sharedUser; p.userId = sharedUser.userId; } } private void updateSharedUserPerms (PackageSetting deletedPs) { if ( (deletedPs == null) || (deletedPs.pkg == null)) { Log.i(TAG, "Trying to update info for null package. Just ignoring"); return; } // No sharedUserId if (deletedPs.sharedUser == null) { return; } SharedUserSetting sus = deletedPs.sharedUser; // Update permissions for (String eachPerm: deletedPs.pkg.requestedPermissions) { boolean used = false; if (!sus.grantedPermissions.contains (eachPerm)) { continue; } for (PackageSetting pkg:sus.packages) { if (pkg.grantedPermissions.contains (eachPerm)) { used = true; break; } } if (!used) { // can safely delete this permission from list sus.grantedPermissions.remove(eachPerm); sus.loadedPermissions.remove(eachPerm); } } // Update gids int newGids[] = null; for (PackageSetting pkg:sus.packages) { newGids = appendInts(newGids, pkg.gids); } sus.gids = newGids; } private int removePackageLP(String name) { PackageSetting p = mPackages.get(name); if (p != null) { mPackages.remove(name); if (p.sharedUser != null) { p.sharedUser.packages.remove(p); if (p.sharedUser.packages.size() == 0) { mSharedUsers.remove(p.sharedUser.name); removeUserIdLP(p.sharedUser.userId); return p.sharedUser.userId; } } else { removeUserIdLP(p.userId); return p.userId; } } return -1; } private boolean addUserIdLP(int uid, Object obj, Object name) { if (uid >= FIRST_APPLICATION_UID + MAX_APPLICATION_UIDS) { return false; } if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; while (index >= N) { mUserIds.add(null); N++; } if (mUserIds.get(index) != null) { reportSettingsProblem(Log.ERROR, "Adding duplicate shared id: " + uid + " name=" + name); return false; } mUserIds.set(index, obj); } else { if (mOtherUserIds.get(uid) != null) { reportSettingsProblem(Log.ERROR, "Adding duplicate shared id: " + uid + " name=" + name); return false; } mOtherUserIds.put(uid, obj); } return true; } public Object getUserIdLP(int uid) { if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; return index < N ? mUserIds.get(index) : null; } else { return mOtherUserIds.get(uid); } } private void removeUserIdLP(int uid) { if (uid >= FIRST_APPLICATION_UID) { int N = mUserIds.size(); final int index = uid - FIRST_APPLICATION_UID; if (index < N) mUserIds.set(index, null); } else { mOtherUserIds.remove(uid); } } void writeLP() { //Debug.startMethodTracing("/data/system/packageprof", 8 * 1024 * 1024); // Keep the old settings around until we know the new ones have // been successfully written. if (mSettingsFilename.exists()) { if (mBackupSettingsFilename.exists()) { mBackupSettingsFilename.delete(); } mSettingsFilename.renameTo(mBackupSettingsFilename); } mPastSignatures.clear(); try { FileOutputStream str = new FileOutputStream(mSettingsFilename); //XmlSerializer serializer = XmlUtils.serializerInstance(); XmlSerializer serializer = new FastXmlSerializer(); serializer.setOutput(str, "utf-8"); serializer.startDocument(null, true); serializer.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true); serializer.startTag(null, "packages"); serializer.startTag(null, "permission-trees"); for (BasePermission bp : mPermissionTrees.values()) { writePermission(serializer, bp); } serializer.endTag(null, "permission-trees"); serializer.startTag(null, "permissions"); for (BasePermission bp : mPermissions.values()) { writePermission(serializer, bp); } serializer.endTag(null, "permissions"); for (PackageSetting pkg : mPackages.values()) { writePackage(serializer, pkg); } for (PackageSetting pkg : mDisabledSysPackages.values()) { writeDisabledSysPackage(serializer, pkg); } serializer.startTag(null, "preferred-packages"); int N = mPreferredPackages.size(); for (int i=0; i<N; i++) { PackageSetting pkg = mPreferredPackages.get(i); serializer.startTag(null, "item"); serializer.attribute(null, "name", pkg.name); serializer.endTag(null, "item"); } serializer.endTag(null, "preferred-packages"); serializer.startTag(null, "preferred-activities"); for (PreferredActivity pa : mPreferredActivities.filterSet()) { serializer.startTag(null, "item"); pa.writeToXml(serializer); serializer.endTag(null, "item"); } serializer.endTag(null, "preferred-activities"); for (SharedUserSetting usr : mSharedUsers.values()) { serializer.startTag(null, "shared-user"); serializer.attribute(null, "name", usr.name); serializer.attribute(null, "userId", Integer.toString(usr.userId)); usr.signatures.writeXml(serializer, "sigs", mPastSignatures); serializer.startTag(null, "perms"); for (String name : usr.grantedPermissions) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "perms"); serializer.endTag(null, "shared-user"); } serializer.endTag(null, "packages"); serializer.endDocument(); str.flush(); str.close(); // New settings successfully written, old ones are no longer // needed. mBackupSettingsFilename.delete(); FileUtils.setPermissions(mSettingsFilename.toString(), FileUtils.S_IRUSR|FileUtils.S_IWUSR |FileUtils.S_IRGRP|FileUtils.S_IWGRP |FileUtils.S_IROTH, -1, -1); } catch(XmlPullParserException e) { Log.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e); } catch(java.io.IOException e) { Log.w(TAG, "Unable to write package manager settings, current changes will be lost at reboot", e); } //Debug.stopMethodTracing(); } void writeDisabledSysPackage(XmlSerializer serializer, final PackageSetting pkg) throws java.io.IOException { serializer.startTag(null, "updated-package"); serializer.attribute(null, "name", pkg.name); serializer.attribute(null, "codePath", pkg.codePathString); serializer.attribute(null, "ts", pkg.getTimeStampStr()); if (!pkg.resourcePathString.equals(pkg.codePathString)) { serializer.attribute(null, "resourcePath", pkg.resourcePathString); } if (pkg.sharedUser == null) { serializer.attribute(null, "userId", Integer.toString(pkg.userId)); } else { serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId)); } serializer.startTag(null, "perms"); if (pkg.sharedUser == null) { // If this is a shared user, the permissions will // be written there. We still need to write an // empty permissions list so permissionsFixed will // be set. for (final String name : pkg.grantedPermissions) { BasePermission bp = mPermissions.get(name); if ((bp != null) && (bp.perm != null) && (bp.perm.info != null)) { // We only need to write signature or system permissions but this wont // match the semantics of grantedPermissions. So write all permissions. serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } } } serializer.endTag(null, "perms"); serializer.endTag(null, "updated-package"); } void writePackage(XmlSerializer serializer, final PackageSetting pkg) throws java.io.IOException { serializer.startTag(null, "package"); serializer.attribute(null, "name", pkg.name); serializer.attribute(null, "codePath", pkg.codePathString); if (!pkg.resourcePathString.equals(pkg.codePathString)) { serializer.attribute(null, "resourcePath", pkg.resourcePathString); } serializer.attribute(null, "system", (pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) != 0 ? "true" : "false"); serializer.attribute(null, "ts", pkg.getTimeStampStr()); if (pkg.sharedUser == null) { serializer.attribute(null, "userId", Integer.toString(pkg.userId)); } else { serializer.attribute(null, "sharedUserId", Integer.toString(pkg.userId)); } if (pkg.enabled != COMPONENT_ENABLED_STATE_DEFAULT) { serializer.attribute(null, "enabled", pkg.enabled == COMPONENT_ENABLED_STATE_ENABLED ? "true" : "false"); } if(pkg.installStatus == PKG_INSTALL_INCOMPLETE) { serializer.attribute(null, "installStatus", "false"); } pkg.signatures.writeXml(serializer, "sigs", mPastSignatures); if ((pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { serializer.startTag(null, "perms"); if (pkg.sharedUser == null) { // If this is a shared user, the permissions will // be written there. We still need to write an // empty permissions list so permissionsFixed will // be set. for (final String name : pkg.grantedPermissions) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } } serializer.endTag(null, "perms"); } if (pkg.disabledComponents.size() > 0) { serializer.startTag(null, "disabled-components"); for (final String name : pkg.disabledComponents) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "disabled-components"); } if (pkg.enabledComponents.size() > 0) { serializer.startTag(null, "enabled-components"); for (final String name : pkg.enabledComponents) { serializer.startTag(null, "item"); serializer.attribute(null, "name", name); serializer.endTag(null, "item"); } serializer.endTag(null, "enabled-components"); } serializer.endTag(null, "package"); } void writePermission(XmlSerializer serializer, BasePermission bp) throws XmlPullParserException, java.io.IOException { if (bp.type != BasePermission.TYPE_BUILTIN && bp.sourcePackage != null) { serializer.startTag(null, "item"); serializer.attribute(null, "name", bp.name); serializer.attribute(null, "package", bp.sourcePackage); if (DEBUG_SETTINGS) Log.v(TAG, "Writing perm: name=" + bp.name + " type=" + bp.type); if (bp.type == BasePermission.TYPE_DYNAMIC) { PermissionInfo pi = bp.perm != null ? bp.perm.info : bp.pendingInfo; if (pi != null) { serializer.attribute(null, "type", "dynamic"); if (pi.icon != 0) { serializer.attribute(null, "icon", Integer.toString(pi.icon)); } if (pi.nonLocalizedLabel != null) { serializer.attribute(null, "label", pi.nonLocalizedLabel.toString()); } if (pi.protectionLevel != PermissionInfo.PROTECTION_NORMAL) { serializer.attribute(null, "protection", Integer.toString(pi.protectionLevel)); } } } serializer.endTag(null, "item"); } } String getReadMessagesLP() { return mReadMessages.toString(); } ArrayList<String> getListOfIncompleteInstallPackages() { HashSet<String> kList = new HashSet<String>(mPackages.keySet()); Iterator<String> its = kList.iterator(); ArrayList<String> ret = new ArrayList<String>(); while(its.hasNext()) { String key = its.next(); PackageSetting ps = mPackages.get(key); if(ps.getInstallStatus() == PKG_INSTALL_INCOMPLETE) { ret.add(key); } } return ret; } boolean readLP() { FileInputStream str = null; if (mBackupSettingsFilename.exists()) { try { str = new FileInputStream(mBackupSettingsFilename); mReadMessages.append("Reading from backup settings file\n"); Log.i(TAG, "Reading from backup settings file!"); } catch (java.io.IOException e) { // We'll try for the normal settings file. } } mPastSignatures.clear(); try { if (str == null) { if (!mSettingsFilename.exists()) { mReadMessages.append("No settings file found\n"); Log.i(TAG, "No current settings file!"); return false; } str = new FileInputStream(mSettingsFilename); } XmlPullParser parser = Xml.newPullParser(); parser.setInput(str, null); int type; while ((type=parser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) { ; } if (type != XmlPullParser.START_TAG) { mReadMessages.append("No start tag found in settings file\n"); Log.e(TAG, "No start tag found in package manager settings"); return false; } int outerDepth = parser.getDepth(); while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("package")) { readPackageLP(parser); } else if (tagName.equals("permissions")) { readPermissionsLP(mPermissions, parser); } else if (tagName.equals("permission-trees")) { readPermissionsLP(mPermissionTrees, parser); } else if (tagName.equals("shared-user")) { readSharedUserLP(parser); } else if (tagName.equals("preferred-packages")) { readPreferredPackagesLP(parser); } else if (tagName.equals("preferred-activities")) { readPreferredActivitiesLP(parser); } else if(tagName.equals("updated-package")) { readDisabledSysPackageLP(parser); } else { Log.w(TAG, "Unknown element under <packages>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } str.close(); } catch(XmlPullParserException e) { mReadMessages.append("Error reading: " + e.toString()); Log.e(TAG, "Error reading package manager settings", e); } catch(java.io.IOException e) { mReadMessages.append("Error reading: " + e.toString()); Log.e(TAG, "Error reading package manager settings", e); } int N = mPendingPackages.size(); for (int i=0; i<N; i++) { final PendingPackage pp = mPendingPackages.get(i); Object idObj = getUserIdLP(pp.sharedId); if (idObj != null && idObj instanceof SharedUserSetting) { PackageSetting p = getPackageLP(pp.name, (SharedUserSetting)idObj, pp.codePath, pp.resourcePath, pp.pkgFlags, true, true); if (p == null) { Log.w(TAG, "Unable to create application package for " + pp.name); continue; } p.copyFrom(pp); } else if (idObj != null) { String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not a shared uid\n"; mReadMessages.append(msg); Log.e(TAG, msg); } else { String msg = "Bad package setting: package " + pp.name + " has shared uid " + pp.sharedId + " that is not defined\n"; mReadMessages.append(msg); Log.e(TAG, msg); } } mPendingPackages.clear(); N = mPendingPreferredPackages.size(); mPreferredPackages.clear(); for (int i=0; i<N; i++) { final String name = mPendingPreferredPackages.get(i); final PackageSetting p = mPackages.get(name); if (p != null) { mPreferredPackages.add(p); } else { Log.w(TAG, "Unknown preferred package: " + name); } } mPendingPreferredPackages.clear(); mReadMessages.append("Read completed successfully: " + mPackages.size() + " packages, " + mSharedUsers.size() + " shared uids\n"); return true; } private int readInt(XmlPullParser parser, String ns, String name, int defValue) { String v = parser.getAttributeValue(ns, name); try { if (v == null) { return defValue; } return Integer.parseInt(v); } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: attribute " + name + " has bad integer value " + v + " at " + parser.getPositionDescription()); } return defValue; } private void readPermissionsLP(HashMap<String, BasePermission> out, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); String sourcePackage = parser.getAttributeValue(null, "package"); String ptype = parser.getAttributeValue(null, "type"); if (name != null && sourcePackage != null) { boolean dynamic = "dynamic".equals(ptype); BasePermission bp = new BasePermission(name, sourcePackage, dynamic ? BasePermission.TYPE_DYNAMIC : BasePermission.TYPE_NORMAL); if (dynamic) { PermissionInfo pi = new PermissionInfo(); pi.packageName = sourcePackage.intern(); pi.name = name.intern(); pi.icon = readInt(parser, null, "icon", 0); pi.nonLocalizedLabel = parser.getAttributeValue( null, "label"); pi.protectionLevel = readInt(parser, null, "protection", PermissionInfo.PROTECTION_NORMAL); bp.pendingInfo = pi; } out.put(bp.name, bp); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: permissions has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element reading permissions: " + parser.getName() + " at " + parser.getPositionDescription()); } XmlUtils.skipCurrentTag(parser); } } private void readDisabledSysPackageLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = parser.getAttributeValue(null, "name"); String codePathStr = parser.getAttributeValue(null, "codePath"); String resourcePathStr = parser.getAttributeValue(null, "resourcePath"); if(resourcePathStr == null) { resourcePathStr = codePathStr; } int pkgFlags = 0; pkgFlags |= ApplicationInfo.FLAG_SYSTEM; PackageSetting ps = new PackageSetting(name, new File(codePathStr), new File(resourcePathStr), pkgFlags); String timeStampStr = parser.getAttributeValue(null, "ts"); if (timeStampStr != null) { try { long timeStamp = Long.parseLong(timeStampStr); ps.setTimeStamp(timeStamp, timeStampStr); } catch (NumberFormatException e) { } } String idStr = parser.getAttributeValue(null, "userId"); ps.userId = idStr != null ? Integer.parseInt(idStr) : 0; if(ps.userId <= 0) { String sharedIdStr = parser.getAttributeValue(null, "sharedUserId"); ps.userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0; } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, ps.grantedPermissions); } else { reportSettingsProblem(Log.WARN, "Unknown element under <updated-package>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } mDisabledSysPackages.put(name, ps); } private void readPackageLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = null; String idStr = null; String sharedIdStr = null; String codePathStr = null; String resourcePathStr = null; String systemStr = null; int pkgFlags = 0; String timeStampStr; long timeStamp = 0; PackageSettingBase packageSetting = null; try { name = parser.getAttributeValue(null, "name"); idStr = parser.getAttributeValue(null, "userId"); sharedIdStr = parser.getAttributeValue(null, "sharedUserId"); codePathStr = parser.getAttributeValue(null, "codePath"); resourcePathStr = parser.getAttributeValue(null, "resourcePath"); systemStr = parser.getAttributeValue(null, "system"); if (systemStr != null) { if ("true".equals(systemStr)) { pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } } else { // Old settings that don't specify system... just treat // them as system, good enough. pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } timeStampStr = parser.getAttributeValue(null, "ts"); if (timeStampStr != null) { try { timeStamp = Long.parseLong(timeStampStr); } catch (NumberFormatException e) { } } if (DEBUG_SETTINGS) Log.v(TAG, "Reading package: " + name + " userId=" + idStr + " sharedUserId=" + sharedIdStr); int userId = idStr != null ? Integer.parseInt(idStr) : 0; if (resourcePathStr == null) { resourcePathStr = codePathStr; } if (name == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: <package> has no name at " + parser.getPositionDescription()); } else if (codePathStr == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: <package> has no codePath at " + parser.getPositionDescription()); } else if (userId > 0) { packageSetting = addPackageLP(name.intern(), new File(codePathStr), new File(resourcePathStr), userId, pkgFlags); if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name + ": userId=" + userId + " pkg=" + packageSetting); if (packageSetting == null) { reportSettingsProblem(Log.ERROR, "Failure adding uid " + userId + " while parsing settings at " + parser.getPositionDescription()); } else { packageSetting.setTimeStamp(timeStamp, timeStampStr); } } else if (sharedIdStr != null) { userId = sharedIdStr != null ? Integer.parseInt(sharedIdStr) : 0; if (userId > 0) { packageSetting = new PendingPackage(name.intern(), new File(codePathStr), new File(resourcePathStr), userId, pkgFlags); packageSetting.setTimeStamp(timeStamp, timeStampStr); mPendingPackages.add((PendingPackage) packageSetting); if (DEBUG_SETTINGS) Log.i(TAG, "Reading package " + name + ": sharedUserId=" + userId + " pkg=" + packageSetting); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad sharedId " + sharedIdStr + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } if (packageSetting != null) { final String enabledStr = parser.getAttributeValue(null, "enabled"); if (enabledStr != null) { if (enabledStr.equalsIgnoreCase("true")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_ENABLED; } else if (enabledStr.equalsIgnoreCase("false")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_DISABLED; } else if (enabledStr.equalsIgnoreCase("default")) { packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT; } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad enabled value: " + idStr + " at " + parser.getPositionDescription()); } } else { packageSetting.enabled = COMPONENT_ENABLED_STATE_DEFAULT; } final String installStatusStr = parser.getAttributeValue(null, "installStatus"); if (installStatusStr != null) { if (installStatusStr.equalsIgnoreCase("false")) { packageSetting.installStatus = PKG_INSTALL_INCOMPLETE; } else { packageSetting.installStatus = PKG_INSTALL_COMPLETE; } } int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("disabled-components")) { readDisabledComponentsLP(packageSetting, parser); } else if (tagName.equals("enabled-components")) { readEnabledComponentsLP(packageSetting, parser); } else if (tagName.equals("sigs")) { packageSetting.signatures.readXml(parser, mPastSignatures); } else if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, packageSetting.loadedPermissions); packageSetting.permissionsFixed = true; } else { reportSettingsProblem(Log.WARN, "Unknown element under <package>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } else { XmlUtils.skipCurrentTag(parser); } } private void readDisabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { packageSetting.disabledComponents.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <disabled-components> has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <disabled-components>: " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readEnabledComponentsLP(PackageSettingBase packageSetting, XmlPullParser parser) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { packageSetting.enabledComponents.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <enabled-components> has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <enabled-components>: " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readSharedUserLP(XmlPullParser parser) throws XmlPullParserException, IOException { String name = null; String idStr = null; int pkgFlags = 0; SharedUserSetting su = null; try { name = parser.getAttributeValue(null, "name"); idStr = parser.getAttributeValue(null, "userId"); int userId = idStr != null ? Integer.parseInt(idStr) : 0; if ("true".equals(parser.getAttributeValue(null, "system"))) { pkgFlags |= ApplicationInfo.FLAG_SYSTEM; } if (name == null) { reportSettingsProblem(Log.WARN, "Error in package manager settings: <shared-user> has no name at " + parser.getPositionDescription()); } else if (userId == 0) { reportSettingsProblem(Log.WARN, "Error in package manager settings: shared-user " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); } else { if ((su=addSharedUserLP(name.intern(), userId, pkgFlags)) == null) { reportSettingsProblem(Log.ERROR, "Occurred while parsing settings at " + parser.getPositionDescription()); } } } catch (NumberFormatException e) { reportSettingsProblem(Log.WARN, "Error in package manager settings: package " + name + " has bad userId " + idStr + " at " + parser.getPositionDescription()); }; if (su != null) { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("sigs")) { su.signatures.readXml(parser, mPastSignatures); } else if (tagName.equals("perms")) { readGrantedPermissionsLP(parser, su.loadedPermissions); } else { reportSettingsProblem(Log.WARN, "Unknown element under <shared-user>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } else { XmlUtils.skipCurrentTag(parser); } } private void readGrantedPermissionsLP(XmlPullParser parser, HashSet<String> outPerms) throws IOException, XmlPullParserException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { outPerms.add(name.intern()); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <perms> has" + " no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <perms>: " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readPreferredPackagesLP(XmlPullParser parser) throws XmlPullParserException, IOException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { String name = parser.getAttributeValue(null, "name"); if (name != null) { mPendingPreferredPackages.add(name); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <preferred-package> has no name at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <preferred-packages>: " + parser.getName()); } XmlUtils.skipCurrentTag(parser); } } private void readPreferredActivitiesLP(XmlPullParser parser) throws XmlPullParserException, IOException { int outerDepth = parser.getDepth(); int type; while ((type=parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { continue; } String tagName = parser.getName(); if (tagName.equals("item")) { PreferredActivity pa = new PreferredActivity(parser); if (pa.mParseError == null) { mPreferredActivities.addFilter(pa); } else { reportSettingsProblem(Log.WARN, "Error in package manager settings: <preferred-activity> " + pa.mParseError + " at " + parser.getPositionDescription()); } } else { reportSettingsProblem(Log.WARN, "Unknown element under <preferred-activities>: " + parser.getName()); XmlUtils.skipCurrentTag(parser); } } } // Returns -1 if we could not find an available UserId to assign private int newUserIdLP(Object obj) { // Let's be stupidly inefficient for now... final int N = mUserIds.size(); for (int i=0; i<N; i++) { if (mUserIds.get(i) == null) { mUserIds.set(i, obj); return FIRST_APPLICATION_UID + i; } } // None left? if (N >= MAX_APPLICATION_UIDS) { return -1; } mUserIds.add(obj); return FIRST_APPLICATION_UID + N; } public PackageSetting getDisabledSystemPkg(String name) { synchronized(mPackages) { PackageSetting ps = mDisabledSysPackages.get(name); return ps; } } boolean isEnabledLP(ComponentInfo componentInfo, int flags) { final PackageSetting packageSettings = mPackages.get(componentInfo.packageName); if (Config.LOGV) { Log.v(TAG, "isEnabledLock - packageName = " + componentInfo.packageName + " componentName = " + componentInfo.name); Log.v(TAG, "enabledComponents: " + Arrays.toString(packageSettings.enabledComponents.toArray())); Log.v(TAG, "disabledComponents: " + Arrays.toString(packageSettings.disabledComponents.toArray())); } return ((flags&PackageManager.GET_DISABLED_COMPONENTS) != 0) || ((componentInfo.enabled && ((packageSettings.enabled == COMPONENT_ENABLED_STATE_ENABLED) || (componentInfo.applicationInfo.enabled && packageSettings.enabled != COMPONENT_ENABLED_STATE_DISABLED)) && !packageSettings.disabledComponents.contains(componentInfo.name)) || packageSettings.enabledComponents.contains(componentInfo.name)); } } }